diff --git a/.github/workflows/pio-dependabot.yaml b/.github/workflows/pio-dependabot.yaml
deleted file mode 100644
index 7f1513d..0000000
--- a/.github/workflows/pio-dependabot.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-name: PlatformIO Dependabot
-on:
-  workflow_dispatch: # option to manually trigger the workflow
-  schedule:
-    # Runs every day at 00:00
-    - cron: "0 0 * * *"
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  dependabot:
-    runs-on: ubuntu-latest
-    name: run PlatformIO Dependabot
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v5
-      - name: run PlatformIO Dependabot
-        uses: peterus/platformio_dependabot@v1.2.0
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/lib/HomeAssistantHelper/HomeAssistantHelper.h b/lib/HomeAssistantHelper/HomeAssistantHelper.h
index c7417c8..990cda1 100644
--- a/lib/HomeAssistantHelper/HomeAssistantHelper.h
+++ b/lib/HomeAssistantHelper/HomeAssistantHelper.h
@@ -147,8 +147,19 @@ public:
     return topic;
   }
 
+  template <class DT, class VT> 
+  String getEntityIdWithPrefix(DT domain, VT value, char separator = '_') {
+    String topic = "";
+    topic.concat(domain);
+    topic.concat('.');
+    topic.concat(this->devicePrefix);
+    topic.concat(separator);
+    topic.concat(value);
+    return topic;
+  }
+
   template <class T> 
-  String getObjectIdWithPrefix(T value, char separator = '_') {
+  String getUniqueIdWithPrefix(T value, char separator = '_') {
     String topic = "";
     topic.concat(this->devicePrefix);
     topic.concat(separator);
diff --git a/lib/HomeAssistantHelper/strings.h b/lib/HomeAssistantHelper/strings.h
index da99954..6b95d01 100644
--- a/lib/HomeAssistantHelper/strings.h
+++ b/lib/HomeAssistantHelper/strings.h
@@ -12,66 +12,67 @@ const char HA_ENTITY_SELECT[]                   PROGMEM = "select";
 const char HA_ENTITY_SENSOR[]                   PROGMEM = "sensor";
 const char HA_ENTITY_SWITCH[]                   PROGMEM = "switch";
 
-const char HA_DEVICE[]                          PROGMEM = "device";
-const char HA_IDENTIFIERS[]                     PROGMEM = "identifiers";
-const char HA_SW_VERSION[]                      PROGMEM = "sw_version";
-const char HA_MANUFACTURER[]                    PROGMEM = "manufacturer";
-const char HA_MODEL[]                           PROGMEM = "model";
+// https://www.home-assistant.io/integrations/mqtt/#supported-abbreviations-in-mqtt-discovery-messages
+const char HA_DEFAULT_ENTITY_ID[]               PROGMEM = "def_ent_id";               // "default_entity_id "
+const char HA_DEVICE[]                          PROGMEM = "dev";                      // "device"
+const char HA_IDENTIFIERS[]                     PROGMEM = "ids";                      // "identifiers"
+const char HA_SW_VERSION[]                      PROGMEM = "sw";                       // "sw_version"
+const char HA_MANUFACTURER[]                    PROGMEM = "mf";                       // "manufacturer"
+const char HA_MODEL[]                           PROGMEM = "mdl";                      // "model"
 const char HA_NAME[]                            PROGMEM = "name";
-const char HA_CONF_URL[]                        PROGMEM = "configuration_url";
-const char HA_COMMAND_TOPIC[]                   PROGMEM = "command_topic";
-const char HA_COMMAND_TEMPLATE[]                PROGMEM = "command_template";
-const char HA_ENABLED_BY_DEFAULT[]              PROGMEM = "enabled_by_default";
-const char HA_UNIQUE_ID[]                       PROGMEM = "unique_id";
-const char HA_OBJECT_ID[]                       PROGMEM = "object_id";
-const char HA_ENTITY_CATEGORY[]                 PROGMEM = "entity_category";
+const char HA_CONF_URL[]                        PROGMEM = "cu";                       // "configuration_url"
+const char HA_COMMAND_TOPIC[]                   PROGMEM = "cmd_t";                    // "command_topic"
+const char HA_COMMAND_TEMPLATE[]                PROGMEM = "cmd_tpl";                  // "command_template"
+const char HA_ENABLED_BY_DEFAULT[]              PROGMEM = "en";                       // "enabled_by_default"
+const char HA_UNIQUE_ID[]                       PROGMEM = "uniq_id";                  // "unique_id"
+const char HA_ENTITY_CATEGORY[]                 PROGMEM = "ent_cat";                  // "entity_category"
 const char HA_ENTITY_CATEGORY_DIAGNOSTIC[]      PROGMEM = "diagnostic";
 const char HA_ENTITY_CATEGORY_CONFIG[]          PROGMEM = "config";
-const char HA_STATE_TOPIC[]                     PROGMEM = "state_topic";
-const char HA_VALUE_TEMPLATE[]                  PROGMEM = "value_template";
-const char HA_OPTIONS[]                         PROGMEM = "options";
-const char HA_AVAILABILITY[]                    PROGMEM = "availability";
-const char HA_AVAILABILITY_MODE[]               PROGMEM = "availability_mode";
-const char HA_TOPIC[]                           PROGMEM = "topic";
-const char HA_DEVICE_CLASS[]                    PROGMEM = "device_class";
-const char HA_UNIT_OF_MEASUREMENT[]             PROGMEM = "unit_of_measurement";
+const char HA_STATE_TOPIC[]                     PROGMEM = "stat_t";                   // "state_topic"
+const char HA_VALUE_TEMPLATE[]                  PROGMEM = "val_tpl";                  // "value_template"
+const char HA_OPTIONS[]                         PROGMEM = "ops";                      // "options"
+const char HA_AVAILABILITY[]                    PROGMEM = "avty";                     // "availability"
+const char HA_AVAILABILITY_MODE[]               PROGMEM = "avty_mode";                // "availability_mode"
+const char HA_TOPIC[]                           PROGMEM = "t";                        // "topic"
+const char HA_DEVICE_CLASS[]                    PROGMEM = "dev_cla";                  // "device_class"
+const char HA_UNIT_OF_MEASUREMENT[]             PROGMEM = "unit_of_meas";             // "unit_of_measurement"
 const char HA_UNIT_OF_MEASUREMENT_C[]           PROGMEM = "°C";
 const char HA_UNIT_OF_MEASUREMENT_F[]           PROGMEM = "°F";
 const char HA_UNIT_OF_MEASUREMENT_PERCENT[]     PROGMEM = "%";
 const char HA_UNIT_OF_MEASUREMENT_L_MIN[]       PROGMEM = "L/min";
 const char HA_UNIT_OF_MEASUREMENT_GAL_MIN[]     PROGMEM = "gal/min";
-const char HA_ICON[]                            PROGMEM = "icon";
+const char HA_ICON[]                            PROGMEM = "ic";                       // "icon"
 const char HA_MIN[]                             PROGMEM = "min";
 const char HA_MAX[]                             PROGMEM = "max";
 const char HA_STEP[]                            PROGMEM = "step";
 const char HA_MODE[]                            PROGMEM = "mode";
 const char HA_MODE_BOX[]                        PROGMEM = "box";
-const char HA_STATE_ON[]                        PROGMEM = "state_on";
-const char HA_STATE_OFF[]                       PROGMEM = "state_off";
-const char HA_PAYLOAD_ON[]                      PROGMEM = "payload_on";
-const char HA_PAYLOAD_OFF[]                     PROGMEM = "payload_off";
-const char HA_STATE_CLASS[]                     PROGMEM = "state_class";
+const char HA_STATE_ON[]                        PROGMEM = "stat_on";                  // "state_on"
+const char HA_STATE_OFF[]                       PROGMEM = "stat_off";                 // "state_off"
+const char HA_PAYLOAD_ON[]                      PROGMEM = "pl_on";                    // "payload_on"
+const char HA_PAYLOAD_OFF[]                     PROGMEM = "pl_off";                   // "payload_off"
+const char HA_STATE_CLASS[]                     PROGMEM = "stat_cla";                 // "state_class"
 const char HA_STATE_CLASS_MEASUREMENT[]         PROGMEM = "measurement";
-const char HA_EXPIRE_AFTER[]                    PROGMEM = "expire_after";
-const char HA_CURRENT_TEMPERATURE_TOPIC[]       PROGMEM = "current_temperature_topic";
-const char HA_CURRENT_TEMPERATURE_TEMPLATE[]    PROGMEM = "current_temperature_template";
-const char HA_TEMPERATURE_COMMAND_TOPIC[]       PROGMEM = "temperature_command_topic";
-const char HA_TEMPERATURE_COMMAND_TEMPLATE[]    PROGMEM = "temperature_command_template";
-const char HA_TEMPERATURE_STATE_TOPIC[]         PROGMEM = "temperature_state_topic";
-const char HA_TEMPERATURE_STATE_TEMPLATE[]      PROGMEM = "temperature_state_template";
-const char HA_TEMPERATURE_UNIT[]                PROGMEM = "temperature_unit";
-const char HA_MODE_COMMAND_TOPIC[]              PROGMEM = "mode_command_topic";
-const char HA_MODE_COMMAND_TEMPLATE[]           PROGMEM = "mode_command_template";
-const char HA_MODE_STATE_TOPIC[]                PROGMEM = "mode_state_topic";
-const char HA_MODE_STATE_TEMPLATE[]             PROGMEM = "mode_state_template";
+const char HA_EXPIRE_AFTER[]                    PROGMEM = "exp_aft";                  // "expire_after"
+const char HA_CURRENT_TEMPERATURE_TOPIC[]       PROGMEM = "curr_temp_t";              // "current_temperature_topic"
+const char HA_CURRENT_TEMPERATURE_TEMPLATE[]    PROGMEM = "curr_temp_tpl";            // "current_temperature_template"
+const char HA_TEMPERATURE_COMMAND_TOPIC[]       PROGMEM = "temp_cmd_t";               // "temperature_command_topic"
+const char HA_TEMPERATURE_COMMAND_TEMPLATE[]    PROGMEM = "temp_cmd_tpl";             // "temperature_command_template"
+const char HA_TEMPERATURE_STATE_TOPIC[]         PROGMEM = "temp_stat_t";              // "temperature_state_topic"
+const char HA_TEMPERATURE_STATE_TEMPLATE[]      PROGMEM = "temp_stat_tpl";            // "temperature_state_template"
+const char HA_TEMPERATURE_UNIT[]                PROGMEM = "temp_unit";                // "temperature_unit"
+const char HA_MODE_COMMAND_TOPIC[]              PROGMEM = "mode_cmd_t";               // "mode_command_topic"
+const char HA_MODE_COMMAND_TEMPLATE[]           PROGMEM = "mode_cmd_tpl";             // "mode_command_template"
+const char HA_MODE_STATE_TOPIC[]                PROGMEM = "mode_stat_t";              // "mode_state_topic"
+const char HA_MODE_STATE_TEMPLATE[]             PROGMEM = "mode_stat_tpl";            // "mode_state_template"
 const char HA_MODES[]                           PROGMEM = "modes";
-const char HA_ACTION_TOPIC[]                    PROGMEM = "action_topic";
-const char HA_ACTION_TEMPLATE[]                 PROGMEM = "action_template";
+const char HA_ACTION_TOPIC[]                    PROGMEM = "act_t";                    // "action_topic"
+const char HA_ACTION_TEMPLATE[]                 PROGMEM = "act_tpl";                  // "action_template"
 const char HA_MIN_TEMP[]                        PROGMEM = "min_temp";
 const char HA_MAX_TEMP[]                        PROGMEM = "max_temp";
 const char HA_TEMP_STEP[]                       PROGMEM = "temp_step";
-const char HA_PRESET_MODE_COMMAND_TOPIC[]       PROGMEM = "preset_mode_command_topic";
-const char HA_PRESET_MODE_COMMAND_TEMPLATE[]    PROGMEM = "preset_mode_command_template";
-const char HA_PRESET_MODE_STATE_TOPIC[]         PROGMEM = "preset_mode_state_topic";
-const char HA_PRESET_MODE_VALUE_TEMPLATE[]      PROGMEM = "preset_mode_value_template";
-const char HA_PRESET_MODES[]                    PROGMEM = "preset_modes";
+const char HA_PRESET_MODE_COMMAND_TOPIC[]       PROGMEM = "pr_mode_cmd_t";            // "preset_mode_command_topic"
+const char HA_PRESET_MODE_COMMAND_TEMPLATE[]    PROGMEM = "pr_mode_cmd_tpl";          // "preset_mode_command_template"
+const char HA_PRESET_MODE_STATE_TOPIC[]         PROGMEM = "pr_mode_stat_t";           // "preset_mode_state_topic"
+const char HA_PRESET_MODE_VALUE_TEMPLATE[]      PROGMEM = "pr_mode_val_tpl";          // "preset_mode_value_template"
+const char HA_PRESET_MODES[]                    PROGMEM = "pr_modes";                 // "preset_modes"
diff --git a/platformio.ini b/platformio.ini
index 18ff224..ce6ad17 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -92,13 +92,13 @@ check_flags = ${env.check_flags}
 ;platform_packages = 
 ;  framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git#3.0.5
 ;  framework-arduinoespressif32-libs @ https://github.com/espressif/esp32-arduino-lib-builder/releases/download/idf-release_v5.1/esp32-arduino-libs-idf-release_v5.1-33fbade6.zip
-platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.31/platform-espressif32.zip
+platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.34/platform-espressif32.zip
 platform_packages = ${env.platform_packages}
 board_build.partitions = esp32_partitions.csv
 lib_deps =
 	${env.lib_deps}
 	laxilef/ESP32Scheduler@^1.0.1
-nimble_lib = h2zero/NimBLE-Arduino@^2.3.6
+nimble_lib = h2zero/NimBLE-Arduino@2.3.3
 lib_ignore = 
 extra_scripts = 
 	post:tools/esp32.py
diff --git a/src/HaHelper.h b/src/HaHelper.h
index 3f9e390..59bd285 100644
--- a/src/HaHelper.h
+++ b/src/HaHelper.h
@@ -261,8 +261,13 @@ public:
     }
 
     // object id's
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(objId.c_str());
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(objId.c_str());
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(
+      sSensor.type == Sensors::Type::MANUAL 
+        ? FPSTR(HA_ENTITY_NUMBER) 
+        : FPSTR(HA_ENTITY_SENSOR),
+      objId.c_str()
+    );
 
     const String& configTopic = this->makeConfigTopic(
       sSensor.type == Sensors::Type::MANUAL ? FPSTR(HA_ENTITY_NUMBER) : FPSTR(HA_ENTITY_SENSOR),
@@ -323,8 +328,8 @@ public:
     String objId = Sensors::makeObjectIdWithSuffix(sSensor.name, F("connected"));
 
     // object id's
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(objId.c_str());
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(objId.c_str());
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), objId.c_str());
 
     // state topic
     doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(
@@ -370,8 +375,8 @@ public:
     String objId = Sensors::makeObjectIdWithSuffix(sSensor.name, F("signal_quality"));
 
     // object id's
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(objId.c_str());
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(objId.c_str());
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SENSOR), objId.c_str());
 
     // state topic
     doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic(
@@ -407,7 +412,6 @@ public:
   }
 
   bool deleteSignalQualityDynamicSensor(Sensors::Settings& sSensor) {
-    JsonDocument doc;
     const String& configTopic = this->makeConfigTopic(
       FPSTR(HA_ENTITY_SENSOR),
       Sensors::makeObjectIdWithSuffix(sSensor.name, F("signal_quality")).c_str()
@@ -421,8 +425,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("heating_turbo"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("heating_turbo"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SWITCH), F("heating_turbo"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("Turbo heating");
     doc[FPSTR(HA_ICON)] = F("mdi:rocket-launch-outline");
@@ -465,8 +469,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("heating_hysteresis"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("heating_hysteresis"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("heating_hysteresis"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
 
@@ -497,8 +501,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("heating_turbo_factor"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("heating_turbo_factor"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("heating_turbo_factor"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("power_factor");
     doc[FPSTR(HA_NAME)] = F("Heating turbo factor");
@@ -521,8 +525,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("heating_min_temp"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("heating_min_temp"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("heating_min_temp"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
 
@@ -555,8 +559,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("heating_max_temp"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("heating_max_temp"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("heating_max_temp"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
 
@@ -590,8 +594,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("dhw_min_temp"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("dhw_min_temp"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("dhw_min_temp"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
 
@@ -624,8 +628,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("dhw_max_temp"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("dhw_max_temp"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("dhw_max_temp"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
 
@@ -659,8 +663,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("pid"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("pid"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SWITCH), F("pid"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("PID");
     doc[FPSTR(HA_ICON)] = F("mdi:chart-bar-stacked");
@@ -681,8 +685,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("pid_p"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("pid_p"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("pid_p"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("PID factor P");
     doc[FPSTR(HA_ICON)] = F("mdi:alpha-p-circle-outline");
@@ -704,8 +708,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("pid_i"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("pid_i"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("pid_i"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("PID factor I");
     doc[FPSTR(HA_ICON)] = F("mdi:alpha-i-circle-outline");
@@ -727,8 +731,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("pid_d"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("pid_d"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("pid_d"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("PID factor D");
     doc[FPSTR(HA_ICON)] = F("mdi:alpha-d-circle-outline");
@@ -750,8 +754,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("pid_dt"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("pid_dt"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("pid_dt"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("duration");
     doc[FPSTR(HA_UNIT_OF_MEASUREMENT)] = F("s");
@@ -775,8 +779,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("pid_min_temp"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("pid_min_temp"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("pid_min_temp"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
 
@@ -809,8 +813,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("pid_max_temp"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("pid_max_temp"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("pid_max_temp"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_TEMPERATURE);
 
@@ -844,8 +848,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("equitherm"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SWITCH), F("equitherm"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("Equitherm");
     doc[FPSTR(HA_ICON)] = F("mdi:sun-snowflake-variant");
@@ -866,8 +870,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_n"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("equitherm_n"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("equitherm_n"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("Equitherm factor N");
     doc[FPSTR(HA_ICON)] = F("mdi:alpha-n-circle-outline");
@@ -889,8 +893,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_k"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("equitherm_k"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("equitherm_k"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("Equitherm factor K");
     doc[FPSTR(HA_ICON)] = F("mdi:alpha-k-circle-outline");
@@ -915,8 +919,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.pid.enabled, 'offline', 'online') }}");
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("equitherm_t"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("equitherm_t"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_NUMBER), F("equitherm_t"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_NAME)] = F("Equitherm factor T");
     doc[FPSTR(HA_ICON)] = F("mdi:alpha-t-circle-outline");
@@ -938,8 +942,8 @@ public:
   bool publishStatusState(bool enabledByDefault = true) {
     JsonDocument doc;
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("status"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("status"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("status"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("problem");
     doc[FPSTR(HA_NAME)] = F("Status");
@@ -956,8 +960,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("emergency"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("emergency"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("emergency"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("problem");
     doc[FPSTR(HA_NAME)] = F("Emergency");
@@ -974,8 +978,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("ot_status"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("ot_status"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("ot_status"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("connectivity");
     doc[FPSTR(HA_NAME)] = F("Opentherm status");
@@ -995,9 +999,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = JsonString(AVAILABILITY_OT_CONN, true);
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("heating"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
-    //doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("heating"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("heating"));
     doc[FPSTR(HA_DEVICE_CLASS)] = F("running");
     doc[FPSTR(HA_NAME)] = F("Heating");
     doc[FPSTR(HA_ICON)] = F("mdi:radiator");
@@ -1016,9 +1019,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = JsonString(AVAILABILITY_OT_CONN, true);
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("dhw"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
-    //doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("dhw"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("dhw"));
     doc[FPSTR(HA_DEVICE_CLASS)] = F("running");
     doc[FPSTR(HA_NAME)] = F("DHW");
     doc[FPSTR(HA_ICON)] = F("mdi:faucet");
@@ -1037,9 +1039,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = JsonString(AVAILABILITY_OT_CONN, true);
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("flame"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
-    //doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("flame"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("flame"));
     doc[FPSTR(HA_DEVICE_CLASS)] = F("running");
     doc[FPSTR(HA_NAME)] = F("Flame");
     doc[FPSTR(HA_ICON)] = F("mdi:gas-burner");
@@ -1058,8 +1059,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = JsonString(AVAILABILITY_OT_CONN, true);
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("fault"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("fault"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("fault"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("problem");
     doc[FPSTR(HA_NAME)] = F("Fault");
@@ -1079,8 +1080,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = JsonString(AVAILABILITY_OT_CONN, true);
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("problem");
     doc[FPSTR(HA_NAME)] = F("Diagnostic");
@@ -1097,8 +1098,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("ext_pump"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("ext_pump"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BINARY_SENSOR), F("ext_pump"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("running");
     doc[FPSTR(HA_NAME)] = F("External pump");
@@ -1118,8 +1119,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.slave.connected and value_json.slave.fault.active, 'online', 'offline') }}");
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("fault_code"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("fault_code"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SENSOR), F("fault_code"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_NAME)] = F("Fault code");
     doc[FPSTR(HA_ICON)] = F("mdi:cog-box");
@@ -1138,8 +1139,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.slave.connected and value_json.slave.fault.active or value_json.slave.diag.active, 'online', 'offline') }}");
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("diagnostic_code"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("diagnostic_code"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SENSOR), F("diagnostic_code"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_NAME)] = F("Diagnostic code");
     doc[FPSTR(HA_ICON)] = F("mdi:information-box");
@@ -1155,8 +1156,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(FPSTR(S_RSSI));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(FPSTR(S_RSSI));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SENSOR), FPSTR(S_RSSI));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("signal_strength");
     doc[FPSTR(HA_STATE_CLASS)] = FPSTR(HA_STATE_CLASS_MEASUREMENT);
@@ -1175,8 +1176,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("uptime"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("uptime"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_SENSOR), F("uptime"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_DIAGNOSTIC);
     doc[FPSTR(HA_DEVICE_CLASS)] = F("duration");
     doc[FPSTR(HA_STATE_CLASS)] = F("total_increasing");
@@ -1196,8 +1197,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("heating"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("heating"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_CLIMATE), F("heating"));
     doc[FPSTR(HA_NAME)] = F("Heating");
     doc[FPSTR(HA_ICON)] = F("mdi:radiator");
 
@@ -1248,8 +1249,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("dhw"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("dhw"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_CLIMATE), F("dhw"));
     doc[FPSTR(HA_NAME)] = F("DHW");
     doc[FPSTR(HA_ICON)] = F("mdi:faucet");
 
@@ -1293,8 +1294,8 @@ public:
     JsonDocument doc;
     doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->statusTopic.c_str();
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(FPSTR(S_RESTART));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(FPSTR(S_RESTART));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BUTTON), FPSTR(S_RESTART));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_RESTART);
     doc[FPSTR(HA_NAME)] = F("Restart");
@@ -1313,8 +1314,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.slave.fault.active, 'online', 'offline') }}");
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("reset_fault"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("reset_fault"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BUTTON), F("reset_fault"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_RESTART);
     doc[FPSTR(HA_NAME)] = F("Reset fault");
@@ -1333,8 +1334,8 @@ public:
     doc[FPSTR(HA_AVAILABILITY)][1][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.slave.diag.active, 'online', 'offline') }}");
     doc[FPSTR(HA_AVAILABILITY_MODE)] = F("all");
     doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
-    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectIdWithPrefix(F("reset_diagnostic"));
-    doc[FPSTR(HA_OBJECT_ID)] = doc[FPSTR(HA_UNIQUE_ID)];
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getUniqueIdWithPrefix(F("reset_diagnostic"));
+    doc[FPSTR(HA_DEFAULT_ENTITY_ID)] = this->getEntityIdWithPrefix(FPSTR(HA_ENTITY_BUTTON), F("reset_diagnostic"));
     doc[FPSTR(HA_ENTITY_CATEGORY)] = FPSTR(HA_ENTITY_CATEGORY_CONFIG);
     doc[FPSTR(HA_DEVICE_CLASS)] = FPSTR(S_RESTART);
     doc[FPSTR(HA_NAME)] = F("Reset diagnostic");
diff --git a/src/MainTask.h b/src/MainTask.h
index af02b60..8d746e0 100644
--- a/src/MainTask.h
+++ b/src/MainTask.h
@@ -609,7 +609,12 @@ protected:
       if (GPIO_IS_VALID(settings.externalPump.gpio)) {
         configuredGpio = settings.externalPump.gpio;
         pinMode(configuredGpio, OUTPUT);
-        digitalWrite(configuredGpio, LOW);
+        digitalWrite(
+          configuredGpio,
+          settings.externalPump.invertState
+            ? HIGH 
+            : LOW
+        );
 
       } else if (configuredGpio != GPIO_IS_NOT_CONFIGURED) {
         configuredGpio = GPIO_IS_NOT_CONFIGURED;
@@ -637,7 +642,12 @@ protected:
     
     if (!settings.externalPump.use) {
       if (vars.externalPump.state) {
-        digitalWrite(configuredGpio, LOW);
+        digitalWrite(
+          configuredGpio,
+          settings.externalPump.invertState
+            ? HIGH 
+            : LOW
+        );
 
         vars.externalPump.state = false;
         vars.externalPump.lastEnabledTime = millis();
@@ -650,7 +660,12 @@ protected:
 
     if (vars.externalPump.state && !this->heatingEnabled) {
       if (this->extPumpStartReason == MainTask::PumpStartReason::HEATING && millis() - this->heatingDisabledTime > (settings.externalPump.postCirculationTime * 1000u)) {
-        digitalWrite(configuredGpio, LOW);
+        digitalWrite(
+          configuredGpio,
+          settings.externalPump.invertState
+            ? HIGH 
+            : LOW
+        );
 
         vars.externalPump.state = false;
         vars.externalPump.lastEnabledTime = millis();
@@ -658,7 +673,12 @@ protected:
         Log.sinfoln(FPSTR(L_EXTPUMP), F("Disabled: expired post circulation time"));
 
       } else if (this->extPumpStartReason == MainTask::PumpStartReason::ANTISTUCK && millis() - this->externalPumpStartTime >= (settings.externalPump.antiStuckTime * 1000u)) {
-        digitalWrite(configuredGpio, LOW);
+        digitalWrite(
+          configuredGpio,
+          settings.externalPump.invertState
+            ? HIGH 
+            : LOW
+        );
 
         vars.externalPump.state = false;
         vars.externalPump.lastEnabledTime = millis();
@@ -674,7 +694,12 @@ protected:
       this->externalPumpStartTime = millis();
       this->extPumpStartReason = MainTask::PumpStartReason::HEATING;
 
-      digitalWrite(configuredGpio, HIGH);
+      digitalWrite(
+        configuredGpio,
+        settings.externalPump.invertState
+          ? LOW 
+          : HIGH
+      );
 
       Log.sinfoln(FPSTR(L_EXTPUMP), F("Enabled: heating on"));
 
@@ -683,7 +708,12 @@ protected:
       this->externalPumpStartTime = millis();
       this->extPumpStartReason = MainTask::PumpStartReason::ANTISTUCK;
 
-      digitalWrite(configuredGpio, HIGH);
+      digitalWrite(
+        configuredGpio,
+        settings.externalPump.invertState
+          ? LOW 
+          : HIGH
+      );
 
       Log.sinfoln(FPSTR(L_EXTPUMP), F("Enabled: anti stuck"));
     }
diff --git a/src/OpenThermTask.h b/src/OpenThermTask.h
index 4b8dc67..c609597 100644
--- a/src/OpenThermTask.h
+++ b/src/OpenThermTask.h
@@ -236,7 +236,7 @@ protected:
       vars.slave.heating.active = CustomOpenTherm::isCentralHeatingActive(response);
       vars.slave.dhw.active = settings.opentherm.options.dhwSupport ? CustomOpenTherm::isHotWaterActive(response) : false;
       vars.slave.flame = CustomOpenTherm::isFlameOn(response);
-      vars.slave.cooling = CustomOpenTherm::isCoolingActive(response);
+      vars.slave.cooling.active = CustomOpenTherm::isCoolingActive(response);
       vars.slave.ch2.active = CustomOpenTherm::isCh2Active(response);
       vars.slave.fault.active = CustomOpenTherm::isFault(response);
 
@@ -250,7 +250,7 @@ protected:
       Log.snoticeln(
         FPSTR(L_OT), F("Received boiler status. Heating: %hhu; DHW: %hhu; flame: %hhu; cooling: %hhu; channel 2: %hhu; fault: %hhu; diag: %hhu"),
         vars.slave.heating.active, vars.slave.dhw.active,
-        vars.slave.flame, vars.slave.cooling, vars.slave.ch2.active, vars.slave.fault.active, vars.slave.diag.active
+        vars.slave.flame, vars.slave.cooling.active, vars.slave.ch2.active, vars.slave.fault.active, vars.slave.diag.active
       );
     }
 
@@ -318,6 +318,8 @@ protected:
       vars.slave.dhw.enabled = false;
       vars.slave.dhw.active = false;
       vars.slave.flame = false;
+      vars.slave.cooling.active = false;
+      vars.slave.cooling.setpoint = 0;
       vars.slave.fault.active = false;
       vars.slave.fault.code = 0;
       vars.slave.diag.active = false;
@@ -688,6 +690,22 @@ protected:
       this->prevUpdateNonEssentialVars = millis();
     }
 
+    // Set cooling setpoint = heating max modulation
+    if (settings.opentherm.options.coolingSupport) {
+      if (this->setCoolingSetpoint(settings.heating.maxModulation)) {
+        Log.snoticeln(
+          FPSTR(L_OT), F("Set cooling setpoint: %hhu%% (response: %hhu%%)"),
+          settings.heating.maxModulation, vars.slave.cooling.setpoint
+        );
+
+      } else {
+        Log.swarningln(
+          FPSTR(L_OT), F("Failed set cooling setpoint: %hhu%% (response: %hhu%%)"),
+          settings.heating.maxModulation, vars.slave.cooling.setpoint
+        );
+      }
+    }
+
     // Set max modulation level
     uint8_t targetMaxModulation = vars.slave.modulation.max;
     if (vars.slave.heating.active) {
@@ -1568,6 +1586,26 @@ protected:
     return CustomOpenTherm::getUInt(response) == request;
   }
 
+  bool setCoolingSetpoint(const uint8_t value) {
+    const unsigned int request = CustomOpenTherm::toFloat(value);
+    const unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
+      OpenThermRequestType::WRITE_DATA,
+      OpenThermMessageID::CoolingControl,
+      request
+    ));
+
+    if (!CustomOpenTherm::isValidResponse(response)) {
+      return false;
+
+    } else if (!CustomOpenTherm::isValidResponseId(response, OpenThermMessageID::CoolingControl)) {
+      return false;
+    }
+
+    vars.slave.cooling.setpoint = CustomOpenTherm::getFloat(response);
+
+    return CustomOpenTherm::getUInt(response) == request;
+  }
+
   bool setMaxModulationLevel(const uint8_t value) {
     const unsigned int request = CustomOpenTherm::toFloat(value);
     const unsigned long response = this->instance->sendRequest(CustomOpenTherm::buildRequest(
diff --git a/src/SensorsTask.h b/src/SensorsTask.h
index 135d20f..0a8801b 100644
--- a/src/SensorsTask.h
+++ b/src/SensorsTask.h
@@ -8,6 +8,45 @@
 
 extern FileData fsSensorsSettings;
 
+#if USE_BLE
+class BluetoothClientCallbacks : public NimBLEClientCallbacks {
+public:
+  BluetoothClientCallbacks(uint8_t sensorId) : sensorId(sensorId) {}
+
+  void onConnect(NimBLEClient* pClient) {
+    auto& sSensor = Sensors::settings[this->sensorId];
+
+    Log.sinfoln(
+      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': connected to %s"),
+      sensorId, sSensor.name, pClient->getPeerAddress().toString().c_str()
+    );
+  }
+
+  void onDisconnect(NimBLEClient* pClient, int reason) {
+    auto& sSensor = Sensors::settings[this->sensorId];
+
+    Log.sinfoln(
+      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': disconnected, reason %i"),
+      sensorId, sSensor.name, reason
+    );
+  }
+
+  void onConnectFail(NimBLEClient* pClient, int reason) {
+    auto& sSensor = Sensors::settings[this->sensorId];
+
+    Log.sinfoln(
+      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to connect, reason %i"),
+      sensorId, sSensor.name, reason
+    );
+
+    pClient->cancelConnect();
+  }
+
+protected:
+  uint8_t sensorId;
+};
+#endif
+
 class SensorsTask : public LeanTask {
 public:
   SensorsTask(bool _enabled = false, unsigned long _interval = 0) : LeanTask(_enabled, _interval) {
@@ -41,6 +80,7 @@ protected:
   std::unordered_map<uint8_t, bool> dallasPolling;
   std::unordered_map<uint8_t, unsigned long> dallasLastPollingTime;
   #if USE_BLE
+  std::unordered_map<uint8_t, NimBLEClient*> bleClients;
   std::unordered_map<uint8_t, bool> bleSubscribed;
   std::unordered_map<uint8_t, unsigned long> bleLastSetDtTime;
   #endif
@@ -405,47 +445,35 @@ protected:
 
   #if USE_BLE
   void cleanBleInstances() {
-    #if USE_BLE
     if (!NimBLEDevice::isInitialized()) {
       return;
     }
 
-    for (auto client : NimBLEDevice::getConnectedClients()) {
-      auto address = client->getPeerAddress();
-      bool used = false;
-
-      for (uint8_t sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
-        auto& sSensor = Sensors::settings[sensorId];
-        
-        if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
-          continue;
-        }
-        
-        auto pAddress = address.getVal();
-        uint8_t addr[] = {
-          pAddress[5], pAddress[4], pAddress[3],
-          pAddress[2], pAddress[1], pAddress[0]
-        };
-
-        if (isEqualAddress(addr, sSensor.address, sizeof(addr))) {
-          used = true;
-          break;
-        }
+    for (auto& [sensorId, pClient]: this->bleClients) {
+      if (pClient == nullptr) {
+        continue;
       }
 
-      if (!used) {
+      auto& sSensor = Sensors::settings[sensorId];
+      const auto sAddress = NimBLEAddress(sSensor.address, 0);
+
+      if (sAddress.isNull() || !sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
         Log.sinfoln(
-          FPSTR(L_SENSORS_BLE), F("Deleted unused client connected to %s"),
-          address.toString().c_str()
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s', deleted unused client"),
+          sensorId, sSensor.name
         );
 
-        NimBLEDevice::deleteClient(client);
+        NimBLEDevice::deleteClient(pClient);
+        pClient = nullptr;
       }
     }
-    #endif
   }
 
   void pollingBleSensors() {
+    if (!Sensors::getAmountByType(Sensors::Type::BLUETOOTH, true)) {
+      return;
+    }
+
     if (!NimBLEDevice::isInitialized() && millis() > 5000) {
       Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Initialized"));
       BLEDevice::init("");
@@ -460,38 +488,47 @@ protected:
         continue;
       }
 
-      auto client = this->getBleClient(sensorId);
-      if (client == nullptr) {
+      const auto address = NimBLEAddress(sSensor.address, 0);
+      if (address.isNull()) {
         continue;
       }
 
-      if (!client->isConnected()) {
+      auto pClient = this->getBleClient(sensorId);
+      if (pClient == nullptr) {
+        continue;
+      }
+
+      if (pClient->getPeerAddress() != address) {
+        if (pClient->isConnected()) {
+          if (!pClient->disconnect()) {
+            continue;
+          }
+        }
+
+        pClient->setPeerAddress(address);
+      }
+
+      if (!pClient->isConnected()) {
         this->bleSubscribed[sensorId] = false;
         this->bleLastSetDtTime[sensorId] = 0;
 
-        if (client->connect()) {
+        if (pClient->connect(false, true, true)) {
           Log.sinfoln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': connected to %s"),
-            sensorId, sSensor.name, client->getPeerAddress().toString().c_str()
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': trying connecting to %s..."),
+            sensorId, sSensor.name, pClient->getPeerAddress().toString().c_str()
           );
-
-        } else {
-          Log.swarningln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed connecting to %s"),
-            sensorId, sSensor.name, client->getPeerAddress().toString().c_str()
-          );
-
-          continue;
         }
+
+        continue;
       }
       
       if (!this->bleSubscribed[sensorId]) {
-        if (this->subscribeToBleDevice(sensorId, client)) {
+        if (this->subscribeToBleDevice(sensorId, pClient)) {
           this->bleSubscribed[sensorId] = true;
 
         } else {
           this->bleSubscribed[sensorId] = false;
-          client->disconnect();
+          pClient->disconnect();
           continue;
         }
       }
@@ -503,7 +540,7 @@ protected:
         struct tm ti;
         
         if (getLocalTime(&ti)) {
-          if (this->setDateOnBleSensor(client, &ti)) {
+          if (this->setDateOnBleSensor(pClient, &ti)) {
             Log.sinfoln(
               FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s', successfully set date: %02d.%02d.%04d %02d:%02d:%02d"),
               sensorId, sSensor.name,
@@ -535,42 +572,22 @@ protected:
     if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
       return nullptr;
     }
-    
-    uint8_t addr[6] = {
-      sSensor.address[0], sSensor.address[1], sSensor.address[2],
-      sSensor.address[3], sSensor.address[4], sSensor.address[5]
-    };
-    const auto address = NimBLEAddress(addr, 0);
-    
-    NimBLEClient* pClient = NimBLEDevice::getClientByPeerAddress(address);
+
+    if (this->bleClients[sensorId] && this->bleClients[sensorId] != nullptr) {
+      return this->bleClients[sensorId];
+    }
+
+    auto pClient = NimBLEDevice::createClient();
     if (pClient == nullptr) {
-      pClient = NimBLEDevice::getDisconnectedClient();
+      return nullptr;
     }
 
-    if (pClient == nullptr) {
-      if (NimBLEDevice::getCreatedClientCount() >= NIMBLE_MAX_CONNECTIONS) {
-        return nullptr;
-      }
+    //pClient->setConnectionParams(BLE_GAP_CONN_ITVL_MS(10), BLE_GAP_CONN_ITVL_MS(100), 10, 150);
+    pClient->setConnectTimeout(30000);
+    pClient->setSelfDelete(false, false);
+    pClient->setClientCallbacks(new BluetoothClientCallbacks(sensorId), true);
 
-      pClient = NimBLEDevice::createClient();
-      if (pClient == nullptr) {
-        return nullptr;
-      }
-
-      /**
-       *  Set initial connection parameters:
-       *  These settings are safe for 3 clients to connect reliably, can go faster if you have less
-       *  connections. Timeout should be a multiple of the interval, minimum is 100ms.
-       *  Min interval: 12 * 1.25ms = 15, Max interval: 12 * 1.25ms = 15, 0 latency, 1000 * 10ms = 10000ms timeout
-       */
-      pClient->setConnectionParams(12, 12, 0, 1000);
-      pClient->setConnectTimeout(5000);
-      pClient->setSelfDelete(false, true);
-    }
-
-    if (!pClient->isConnected()) {
-      pClient->setPeerAddress(address);
-    }
+    this->bleClients[sensorId] = pClient;
 
     return pClient;
   }
diff --git a/src/Settings.h b/src/Settings.h
index c1a0005..9287d3a 100644
--- a/src/Settings.h
+++ b/src/Settings.h
@@ -167,6 +167,7 @@ struct Settings {
   struct {
     bool use = false;
     uint8_t gpio = DEFAULT_EXT_PUMP_GPIO;
+    bool invertState = false;
     unsigned short postCirculationTime = 600;
     unsigned int antiStuckInterval = 2592000;
     unsigned short antiStuckTime = 300;
@@ -334,10 +335,14 @@ struct Variables {
 
     bool connected = false;
     bool flame = false;
-    bool cooling = false;
     float pressure = 0.0f;
     float heatExchangerTemp = 0.0f;
 
+    struct {
+      bool active = false;
+      uint8_t setpoint = 0;
+    } cooling;
+
     struct {
       bool active = false;
       uint8_t code = 0;
diff --git a/src/strings.h b/src/strings.h
index 5611ed8..1699ead 100644
--- a/src/strings.h
+++ b/src/strings.h
@@ -191,6 +191,7 @@ const char S_STA[]                                  PROGMEM = "sta";
 const char S_STATE[]                                PROGMEM = "state";
 const char S_STATIC_CONFIG[]                        PROGMEM = "staticConfig";
 const char S_STATUS_LED_GPIO[]                      PROGMEM = "statusLedGpio";
+const char S_SETPOINT[]                             PROGMEM = "setpoint";
 const char S_SETPOINT_TEMP[]                        PROGMEM = "setpointTemp";
 const char S_SUBNET[]                               PROGMEM = "subnet";
 const char S_SUMMER_WINTER_MODE[]                   PROGMEM = "summerWinterMode";
diff --git a/src/utils.h b/src/utils.h
index 2082c84..831b816 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -544,6 +544,7 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
     auto externalPump = dst[FPSTR(S_EXTERNAL_PUMP)].to<JsonObject>();
     externalPump[FPSTR(S_USE)] = src.externalPump.use;
     externalPump[FPSTR(S_GPIO)] = src.externalPump.gpio;
+    externalPump[FPSTR(S_INVERT_STATE)] = src.externalPump.invertState;
     externalPump[FPSTR(S_POST_CIRCULATION_TIME)] = roundf(src.externalPump.postCirculationTime / 60, 0);
     externalPump[FPSTR(S_ANTI_STUCK_INTERVAL)] = roundf(src.externalPump.antiStuckInterval / 86400, 0);
     externalPump[FPSTR(S_ANTI_STUCK_TIME)] = roundf(src.externalPump.antiStuckTime / 60, 0);
@@ -1520,6 +1521,15 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
       }
     }
 
+    if (src[FPSTR(S_EXTERNAL_PUMP)][FPSTR(S_INVERT_STATE)].is<bool>()) {
+      bool value = src[FPSTR(S_EXTERNAL_PUMP)][FPSTR(S_INVERT_STATE)].as<bool>();
+
+      if (value != dst.externalPump.invertState) {
+        dst.externalPump.invertState = value;
+        changed = true;
+      }
+    }
+
     if (!src[FPSTR(S_EXTERNAL_PUMP)][FPSTR(S_POST_CIRCULATION_TIME)].isNull()) {
       unsigned short value = src[FPSTR(S_EXTERNAL_PUMP)][FPSTR(S_POST_CIRCULATION_TIME)].as<unsigned short>();
 
@@ -1958,12 +1968,20 @@ bool jsonToSensorSettings(const uint8_t sensorId, const JsonVariantConst src, Se
       );
 
       if (parsed == 8) {
-        for (uint8_t i = 0; i < 8; i++) {
+        for (uint8_t i = 0; i < parsed; i++) {
           if (dst.address[i] != tmp[i]) {
             dst.address[i] = tmp[i];
             changed = true;
           }
         }
+
+      } else {
+        // reset
+        for (uint8_t i = 0; i < sizeof(dst.address); i++) {
+          dst.address[i] = 0x00;
+        }
+
+        changed = true;
       }
 
     } else if (dst.type == Sensors::Type::BLUETOOTH) {
@@ -1976,12 +1994,20 @@ bool jsonToSensorSettings(const uint8_t sensorId, const JsonVariantConst src, Se
       );
 
       if (parsed == 6) {
-        for (uint8_t i = 0; i < 6; i++) {
+        for (uint8_t i = 0; i < parsed; i++) {
           if (dst.address[i] != tmp[i]) {
             dst.address[i] = tmp[i];
             changed = true;
           }
         }
+
+      } else {
+        // reset
+        for (uint8_t i = 0; i < sizeof(dst.address); i++) {
+          dst.address[i] = 0x00;
+        }
+        
+        changed = true;
       }
     }
   }
@@ -2088,7 +2114,10 @@ void varsToJson(const Variables& src, JsonVariant dst) {
   slave[FPSTR(S_PROTOCOL_VERSION)] = src.slave.appVersion;
   slave[FPSTR(S_CONNECTED)] = src.slave.connected;
   slave[FPSTR(S_FLAME)] = src.slave.flame;
-  slave[FPSTR(S_COOLING)] = src.slave.cooling;
+
+  auto sCooling = slave[FPSTR(S_COOLING)].to<JsonObject>();
+  sCooling[FPSTR(S_ACTIVE)] = src.slave.cooling.active;
+  sCooling[FPSTR(S_SETPOINT)] = src.slave.cooling.setpoint;
 
   auto sModulation = slave[FPSTR(S_MODULATION)].to<JsonObject>();
   sModulation[FPSTR(S_MIN)] = src.slave.modulation.min;
diff --git a/src_data/locales/cn.json b/src_data/locales/cn.json
index 51ffb01..10a3a6b 100644
--- a/src_data/locales/cn.json
+++ b/src_data/locales/cn.json
@@ -109,7 +109,8 @@
 
         "sConnected": "OpenTherm 通讯状态",
         "sFlame": "火焰",
-        "sCooling": "制冷",
+        "sCoolingActive": "制冷",
+        "sCoolingSetpoint": "冷却设定点",
         "sFaultActive": "报警状态",
         "sFaultCode": "报警代码",
         "sDiagActive": "诊断状态",
@@ -454,6 +455,7 @@
       "extPump": {
         "use": "使用外置循环泵",
         "gpio": "继电器 GPIO引脚",
+        "invertState": "切换 GPIO 状态",
         "postCirculationTime": "后循环时间 <small>(分钟)</small>",
         "antiStuckInterval": "防卡死间隔时间<small>(天)</small>",
         "antiStuckTime": "防卡死运行时长<small>(分钟)</small>"
diff --git a/src_data/locales/en.json b/src_data/locales/en.json
index c801561..24ac153 100644
--- a/src_data/locales/en.json
+++ b/src_data/locales/en.json
@@ -109,7 +109,8 @@
 
         "sConnected": "OpenTherm connection",
         "sFlame": "Flame",
-        "sCooling": "Cooling",
+        "sCoolingActive": "Cooling",
+        "sCoolingSetpoint": "Cooling setpoint",
         "sFaultActive": "Fault",
         "sFaultCode": "Fault code",
         "sDiagActive": "Diagnostic",
@@ -454,6 +455,7 @@
       "extPump": {
         "use": "Use external pump",
         "gpio": "Relay GPIO",
+        "invertState": "Invert GPIO state",
         "postCirculationTime": "Post circulation time <small>(min)</small>",
         "antiStuckInterval": "Anti stuck interval <small>(days)</small>",
         "antiStuckTime": "Anti stuck time <small>(min)</small>"
diff --git a/src_data/locales/it.json b/src_data/locales/it.json
index 9a13be8..2e4f15c 100644
--- a/src_data/locales/it.json
+++ b/src_data/locales/it.json
@@ -109,7 +109,8 @@
 
         "sConnected": "Connessione OpenTherm",
         "sFlame": "Fiamma",
-        "sCooling": "Raffrescamento",
+        "sCoolingActive": "Raffrescamento",
+        "sCoolingSetpoint": "Raffrescamento setpoint",
         "sFaultActive": "Anomalia",
         "sFaultCode": "Codice anomalia",
         "sDiagActive": "Diagnostica",
@@ -454,6 +455,7 @@
       "extPump": {
         "use": "Usa pompa/circolatore esterno",
         "gpio": "GPIO relè",
+        "invertState": "Inverti stato GPIO",
         "postCirculationTime": "Tempo di post circolazione <small>(min)</small>",
         "antiStuckInterval": "Intervallo antiblocco <small>(days)</small>",
         "antiStuckTime": "Tempo antiblocco <small>(min)</small>"
diff --git a/src_data/locales/nl.json b/src_data/locales/nl.json
new file mode 100644
index 0000000..65ff5a3
--- /dev/null
+++ b/src_data/locales/nl.json
@@ -0,0 +1,466 @@
+{
+  "values": {
+    "logo": "OpenTherm Gateway",
+    "nav": {
+      "license": "Licentie",
+      "source": "Broncode",
+      "help": "Help",
+      "issues": "Problemen & vragen",
+      "releases": "Releases"
+    },
+    "dbm": "dBm",
+    "kw": "kW",
+    "time": {
+      "days": "d.",
+      "hours": "u.",
+      "min": "min.",
+      "sec": "sec."
+    },
+    "button": {
+      "upgrade": "Upgraden",
+      "restart": "Herstarten",
+      "save": "Opslaan",
+      "saved": "Opgeslagen",
+      "refresh": "Vernieuwen",
+      "restore": "Herstellen",
+      "restored": "Hersteld",
+      "backup": "Back-up",
+      "wait": "Even wachten...",
+      "uploading": "Uploaden...",
+      "success": "Succes",
+      "error": "Fout"
+    },
+    "index": {
+      "title": "OpenTherm Gateway",
+      "section": {
+        "network": "Netwerk",
+        "system": "Systeem"
+      },
+      "system": {
+        "build": {
+          "title": "Build",
+          "version": "Versie",
+          "date": "Datum",
+          "core": "Core",
+          "sdk": "SDK"
+        },
+        "uptime": "Uptime",
+        "memory": {
+          "title": "Vrij geheugen",
+          "maxFreeBlock": "max. vrij blok",
+          "min": "min"
+        },
+        "board": "Board",
+        "chip": {
+          "model": "Chip",
+          "cores": "Kernen",
+          "freq": "frequentie"
+        },
+        "flash": {
+          "size": "Flash-grootte",
+          "realSize": "werkelijke grootte"
+        },
+        "lastResetReason": "Reden laatste herstart"
+      }
+    },
+    "dashboard": {
+      "name": "Dashboard",
+      "title": "Dashboard - OpenTherm Gateway",
+      "section": {
+        "control": "Bediening",
+        "states": "Statussen",
+        "sensors": "Sensoren",
+        "diag": "OpenTherm diagnose"
+      },
+      "thermostat": {
+        "heating": "Verwarming",
+        "dhw": "Warm water",
+        "temp.current": "Huidig",
+        "enable": "Inschakelen",
+        "turbo": "Turbomodus"
+      },
+      "notify": {
+        "fault": {
+          "title": "Ketelstoring is actief!",
+          "note": "Het wordt aanbevolen de ketel te inspecteren en de documentatie te raadplegen om de storingscode te interpreteren:"
+        },
+        "diag": {
+          "title": "Keteldiagnose is actief!",
+          "note": "Heeft uw ketel misschien een inspectie nodig? Het wordt aanbevolen de documentatie te raadplegen om de diagnosecode te interpreteren:"
+        },
+        "reset": "Probeer te resetten"
+      },
+      "states": {
+        "mNetworkConnected": "Netwerkverbinding",
+        "mMqttConnected": "MQTT-verbinding",
+        "mEmergencyState": "Noodmodus",
+        "mExtPumpState": "Externe pomp",
+        "mCascadeControlInput": "Cascaderegeling (ingang)",
+        "mCascadeControlOutput": "Cascaderegeling (uitgang)",
+        "sConnected": "OpenTherm-verbinding",
+        "sFlame": "Vlam",
+        "sCoolingActive": "Koeling",
+        "sCoolingSetpoint": "Koelinstelpunt",
+        "sFaultActive": "Storing",
+        "sFaultCode": "Storingscode",
+        "sDiagActive": "Diagnose",
+        "sDiagCode": "Diagnosecode",
+        "mHeatEnabled": "Verwarming ingeschakeld",
+        "mHeatBlocking": "Verwarming geblokkeerd",
+        "mHeatOverheat": "Verwarming oververhit",
+        "sHeatActive": "Verwarming actief",
+        "mHeatSetpointTemp": "Insteltemperatuur verwarming",
+        "mHeatTargetTemp": "Doeltemperatuur verwarming",
+        "mHeatCurrTemp": "Huidige temperatuur verwarming",
+        "mHeatRetTemp": "Retourtemperatuur verwarming",
+        "mHeatIndoorTemp": "Verwarming, binnentemperatuur",
+        "mHeatOutdoorTemp": "Verwarming, buitentemperatuur",
+        "mDhwEnabled": "Warm water ingeschakeld",
+        "mDhwOverheat": "Warm water oververhit",
+        "sDhwActive": "Warm water actief",
+        "mDhwTargetTemp": "Doeltemperatuur warm water",
+        "mDhwCurrTemp": "Huidige temperatuur warm water",
+        "mDhwRetTemp": "Retourtemperatuur warm water"
+      },
+      "sensors": {
+        "values": {
+          "temp": "Temperatuur",
+          "humidity": "Luchtvochtigheid",
+          "battery": "Batterij",
+          "rssi": "RSSI"
+        }
+      }
+    },
+    "network": {
+      "title": "Netwerk - OpenTherm Gateway",
+      "name": "Netwerkinstellingen",
+      "section": {
+        "static": "Statische instellingen",
+        "availableNetworks": "Beschikbare netwerken",
+        "staSettings": "WiFi-instellingen",
+        "apSettings": "AP-instellingen"
+      },
+      "scan": {
+        "pos": "#",
+        "info": "Info"
+      },
+      "wifi": {
+        "ssid": "SSID",
+        "password": "Wachtwoord",
+        "channel": "Kanaal",
+        "signal": "Signaal",
+        "connected": "Verbonden"
+      },
+      "params": {
+        "hostname": "Hostnaam",
+        "dhcp": "Gebruik DHCP",
+        "mac": "MAC",
+        "ip": "IP",
+        "subnet": "Subnet",
+        "gateway": "Gateway",
+        "dns": "DNS"
+      },
+      "sta": {
+        "channel.note": "zet op 0 voor automatische selectie"
+      }
+    },
+    "sensors": {
+      "title": "Sensorinstellingen - OpenTherm Gateway",
+      "name": "Sensorinstellingen",
+      "enabled": "Ingeschakeld",
+      "sensorName": {
+        "title": "Sensornaam",
+        "note": "Mag alleen bevatten: a-z, A-Z, 0-9, _ en spatie"
+      },
+      "purpose": "Doel",
+      "purposes": {
+        "outdoorTemp": "Buitentemperatuur",
+        "indoorTemp": "Binnentemperatuur",
+        "heatTemp": "Verwarming, temperatuur",
+        "heatRetTemp": "Verwarming, retourtemperatuur",
+        "dhwTemp": "Warm water, temperatuur",
+        "dhwRetTemp": "Warm water, retourtemperatuur",
+        "dhwFlowRate": "Warm water, doorstroomsnelheid",
+        "exhaustTemp": "Rookgastemperatuur",
+        "modLevel": "Modulatieniveau (in procenten)",
+        "number": "Getal (ruw)",
+        "powerFactor": "Vermogen (in procent)",
+        "power": "Vermogen (in kWt)",
+        "fanSpeed": "Ventilatorsnelheid",
+        "co2": "CO2",
+        "pressure": "Druk",
+        "humidity": "Luchtvochtigheid",
+        "temperature": "Temperatuur",
+        "notConfigured": "Niet geconfigureerd"
+      },
+      "type": "Type/bron",
+      "types": {
+        "otOutdoorTemp": "OpenTherm, buitentemp.",
+        "otHeatTemp": "OpenTherm, verwarming, temp.",
+        "otHeatRetTemp": "OpenTherm, verwarming, retourtemp.",
+        "otDhwTemp": "OpenTherm, warm water, temperatuur",
+        "otDhwTemp2": "OpenTherm, warm water, temperatuur 2",
+        "otDhwFlowRate": "OpenTherm, warm water, doorstroomsnelheid",
+        "otCh2Temp": "OpenTherm, kanaal 2, temp.",
+        "otExhaustTemp": "OpenTherm, rookgastemp.",
+        "otHeatExchangerTemp": "OpenTherm, warmtewisselaar temp.",
+        "otPressure": "OpenTherm, druk",
+        "otModLevel": "OpenTherm, modulatieniveau",
+        "otCurrentPower": "OpenTherm, huidig vermogen",
+        "otExhaustCo2": "OpenTherm, rookgas CO2",
+        "otExhaustFanSpeed": "OpenTherm, rookgasventilator snelheid",
+        "otSupplyFanSpeed": "OpenTherm, toevoerventilator snelheid",
+        "otSolarStorageTemp": "OpenTherm, zonneboiler opslagtemp.",
+        "otSolarCollectorTemp": "OpenTherm, zonnecollector temp.",
+        "otFanSpeedSetpoint": "OpenTherm, instelpunt ventilatorsnelheid",
+        "otFanSpeedCurrent": "OpenTherm, huidige ventilatorsnelheid",
+        "otBurnerStarts": "OpenTherm, aantal branderstarts",
+        "otDhwBurnerStarts": "OpenTherm, aantal branderstarts (warm water)",
+        "otHeatingPumpStarts": "OpenTherm, aantal pompstarts (verwarming)",
+        "otDhwPumpStarts": "OpenTherm, aantal pompstarts (warm water)",
+        "otBurnerHours": "OpenTherm, aantal branderuren",
+        "otDhwBurnerHours": "OpenTherm, aantal branderuren (warm water)",
+        "otHeatingPumpHours": "OpenTherm, aantal pompuren (verwarming)",
+        "otDhwPumpHours": "OpenTherm, aantal pompuren (warm water)",
+        "ntcTemp": "NTC-sensor",
+        "dallasTemp": "DALLAS-sensor",
+        "bluetooth": "BLE-sensor",
+        "heatSetpointTemp": "Verwarming, insteltemperatuur",
+        "manual": "Handmatig via MQTT/API",
+        "notConfigured": "Niet geconfigureerd"
+      },
+      "gpio": "GPIO",
+      "address": {
+        "title": "Sensoradres",
+        "note": "Laat leeg voor automatische detectie van DALLAS-sensoren. Voor BLE-apparaten is een MAC-adres vereist."
+      },
+      "correction": {
+        "desc": "Correctie van waarden",
+        "offset": "Compensatie (offset)",
+        "factor": "Vermenigvuldiger"
+      },
+      "filtering": {
+        "desc": "Filteren van waarden",
+        "enabled": {
+          "title": "Filteren ingeschakeld",
+          "note": "Kan handig zijn bij veel scherpe ruis in de grafieken. Het gebruikte filter is \"Voortschrijdend gemiddelde\"."
+        },
+        "factor": {
+          "title": "Filterfactor",
+          "note": "Hoe lager de waarde, hoe vloeiender en <u>langer</u> de verandering in numerieke waarden."
+        }
+      }
+    },
+    "settings": {
+      "title": "Instellingen - OpenTherm Gateway",
+      "name": "Instellingen",
+      "section": {
+        "portal": "Portaalinstellingen",
+        "system": "Systeeminstellingen",
+        "diag": "Diagnose",
+        "heating": "Verwarmingsinstellingen",
+        "dhw": "Warmwaterinstellingen",
+        "emergency": "Instellingen noodmodus",
+        "equitherm": "Equitherm-instellingen",
+        "pid": "PID-instellingen",
+        "ot": "OpenTherm-instellingen",
+        "mqtt": "MQTT-instellingen",
+        "extPump": "Instellingen externe pomp",
+        "cascadeControl": "Instellingen cascaderegeling"
+      },
+      "enable": "Inschakelen",
+      "note": {
+        "restart": "Na het wijzigen van deze instellingen moet het apparaat opnieuw worden opgestart om de wijzigingen door te voeren.",
+        "blankNotUse": "leeg - niet gebruiken",
+        "bleDevice": "BLE-apparaat kan <u>alleen</u> worden gebruikt met sommige ESP32-boards met BLE-ondersteuning!"
+      },
+      "temp": {
+        "min": "Minimumtemperatuur",
+        "max": "Maximumtemperatuur"
+      },
+      "maxModulation": "Max. modulatieniveau",
+      "ohProtection": {
+        "title": "Oververhittingsbeveiliging",
+        "desc": "<b>Let op:</b> Deze functie kan handig zijn als de ingebouwde oververhittingsbeveiliging van de ketel niet of niet correct werkt en de warmtedrager kookt. Om uit te schakelen, stel 0 in als <b>hoge</b> en <b>lage</b> temperatuur.",
+        "highTemp": {
+          "title": "Drempelwaarde hoge temperatuur",
+          "note": "Drempelwaarde waarbij de brander geforceerd wordt uitgeschakeld"
+        },
+        "lowTemp": {
+          "title": "Drempelwaarde lage temperatuur",
+          "note": "Drempelwaarde waarbij de brander weer ingeschakeld kan worden"
+        }
+      },
+      "freezeProtection": {
+        "title": "Vorstbeveiliging",
+        "desc": "De verwarming wordt geforceerd ingeschakeld als de temperatuur van de warmtedrager of de binnentemperatuur onder de <b>Lage temperatuur</b> daalt gedurende de <b>Wachttijd</b>.",
+        "lowTemp": "Drempelwaarde lage temperatuur",
+        "thresholdTime": "Wachttijd <small>(sec)</small>"
+      },
+      "portal": {
+        "login": "Gebruikersnaam",
+        "password": "Wachtwoord",
+        "auth": "Authenticatie vereisen",
+        "mdns": "Gebruik mDNS"
+      },
+      "system": {
+        "unit": "Eenheidssysteem",
+        "metric": "Metrisch <small>(celsius, liters, bar)</small>",
+        "imperial": "Imperiaal <small>(fahrenheit, gallons, psi)</small>",
+        "statusLedGpio": "Status LED GPIO",
+        "logLevel": "Logniveau",
+        "serial": {
+          "enable": "Seriële poort ingeschakeld",
+          "baud": "Baudrate seriële poort"
+        },
+        "telnet": {
+          "enable": "Telnet ingeschakeld",
+          "port": {
+            "title": "Telnet-poort",
+            "note": "Standaard: 23"
+          }
+        },
+        "ntp": {
+          "server": "NTP-server",
+          "timezone": "Tijdzone",
+          "timezonePresets": "Selecteer voorinstelling..."
+        }
+      },
+      "heating": {
+        "hyst": "Hysterese <small>(in graden)</small>",
+        "turboFactor": "Turbomodus coëff."
+      },
+      "emergency": {
+        "desc": "Noodmodus wordt automatisch geactiveerd wanneer «PID» of «Equitherm» het instelpunt van de warmtedrager niet kan berekenen:<br />- als «Equitherm» is ingeschakeld en de buitentemperatuursensor is losgekoppeld;<br />- als «PID» of OT-optie <i>«Natuurlijke verwarmingsregeling»</i> is ingeschakeld en de binnentemperatuursensor is losgekoppeld.<br /><b>Let op:</b> Bij een netwerk- of MQTT-storing krijgen sensoren van het type <i>«Handmatig via MQTT/API»</i> de status ONVERBONDEN.",
+        "target": {
+          "title": "Doeltemperatuur",
+          "note": "<b>Belangrijk:</b> <u>Doel binnentemperatuur</u> als OT-optie <i>«Natuurlijke verwarmingsregeling»</i> is ingeschakeld.<br />In alle andere gevallen, de <u>doel warmtedragertemperatuur</u>."
+        },
+        "treshold": "Drempeltijd <small>(sec)</small>"
+      },
+      "equitherm": {
+        "n": "N-factor",
+        "k": "K-factor",
+        "t": {
+          "title": "T-factor",
+          "note": "Niet gebruikt als PID is ingeschakeld"
+        }
+      },
+      "pid": {
+        "p": "P-factor",
+        "i": "I-factor",
+        "d": "D-factor",
+        "dt": "DT <small>in seconden</small>",
+        "limits": {
+          "title": "Limieten",
+          "note": "<b>Belangrijk:</b> Bij gelijktijdig gebruik van «Equitherm» en «PID» beperken de min- en maxtemperaturen de invloed op de resulterende «Equitherm»-temperatuur.<br />Dus, als de min-temperatuur is ingesteld op -15 en de max-temperatuur op 15, zal het uiteindelijke instelpunt van de warmtedrager liggen tussen <code>equitherm_resultaat - 15</code> en <code>equitherm_resultaat + 15</code>."
+        },
+        "deadband": {
+          "title": "Deadband",
+          "note": "Deadband is een bereik rond de doeltemperatuur waarbinnen de PID-regeling minder actief wordt. Binnen dit bereik kan het algoritme de intensiteit verminderen of aanpassingen pauzeren om overreactie op kleine schommelingen te voorkomen.<br /><br />Bijvoorbeeld, met een doeltemperatuur van 22°, een onderdrempel van 1.0 en een bovendrempel van 0.5, werkt de deadband tussen 21° en 22.5°. Als de I-coëfficiënt 0.0005 is en de I-vermenigvuldiger 0.05, dan wordt de I-coëfficiënt binnen de deadband: <code>0.0005 * 0.05 = 0.000025</code>",
+          "p_multiplier": "Vermenigvuldiger voor P-factor",
+          "i_multiplier": "Vermenigvuldiger voor I-factor",
+          "d_multiplier": "Vermenigvuldiger voor D-factor",
+          "thresholdHigh": "Bovendrempel",
+          "thresholdLow": "Onderdrempel"
+        }
+      },
+      "ot": {
+        "advanced": "Geavanceerde instellingen",
+        "inGpio": "In GPIO",
+        "outGpio": "Uit GPIO",
+        "ledGpio": "RX LED GPIO",
+        "memberId": "Master member ID",
+        "flags": "Master flags",
+        "minPower": {
+          "title": "Min. ketelvermogen <small>(kW)</small>",
+          "note": "Deze waarde is bij 0-1% modulatieniveau van de ketel. Typisch te vinden in de ketelspecificatie als \"minimum nuttig warmtevermogen\"."
+        },
+        "maxPower": {
+          "title": "Max. ketelvermogen <small>(kW)</small>",
+          "note": "<b>0</b> - probeer automatisch te detecteren. Typisch te vinden in de ketelspecificatie als \"maximum nuttig warmtevermogen\"."
+        },
+        "options": {
+          "title": "Opties (aanvullende instellingen)",
+          "desc": "Opties kunnen de logica van de ketel veranderen. Niet alle opties zijn gedocumenteerd in het protocol, dus dezelfde optie kan verschillende effecten hebben op verschillende ketels.<br /><b>Let op:</b> Het is niet nodig om iets te veranderen als alles goed werkt.",
+          "dhwSupport": "Warm water ondersteuning",
+          "coolingSupport": "Koeling ondersteuning",
+          "summerWinterMode": "Zomer/wintermodus",
+          "heatingStateToSummerWinterMode": "Verwarmingsstatus als zomer/wintermodus",
+          "ch2AlwaysEnabled": "CH2 altijd ingeschakeld",
+          "heatingToCh2": "Dupliceer verwarming naar CH2",
+          "dhwToCh2": "Dupliceer warm water naar CH2",
+          "dhwBlocking": "Blokkering warm water",
+          "dhwStateAsDhwBlocking": "Status warm water als blokkering warm water",
+          "maxTempSyncWithTargetTemp": "Synchroniseer max. verwarmingstemp. met doeltemp.",
+          "getMinMaxTemp": "Haal min/max temp. op van ketel",
+          "ignoreDiagState": "Negeer diagnosestatus",
+          "autoFaultReset": "Automatische storingsreset <small>(niet aanbevolen!)</small>",
+          "autoDiagReset": "Automatische diagnosereset <small>(niet aanbevolen!)</small>",
+          "setDateAndTime": "Stel datum & tijd in op ketel",
+          "immergasFix": "Fix voor Immergas-ketels"
+        },
+        "nativeHeating": {
+          "title": "Natuurlijke verwarmingsregeling (ketel)",
+          "note": "Werkt <u>ALLEEN</u> als de ketel de gewenste kamertemperatuur vereist en zelf de temperatuur van de warmtedrager regelt. Niet compatibel met PID- en Equitherm-regelaars in de firmware."
+        }
+      },
+      "mqtt": {
+        "homeAssistantDiscovery": "Home Assistant Discovery",
+        "server": "Server",
+        "port": "Poort",
+        "user": "Gebruiker",
+        "password": "Wachtwoord",
+        "prefix": "Prefix",
+        "interval": "Publicatie-interval <small>(sec)</small>"
+      },
+      "extPump": {
+        "use": "Gebruik externe pomp",
+        "gpio": "Relais GPIO",
+        "invertState": "Inverteer GPIO-status",
+        "postCirculationTime": "Nacirculatietijd <small>(min)</small>",
+        "antiStuckInterval": "Anti-vastloopinterval <small>(dagen)</small>",
+        "antiStuckTime": "Anti-vastlooptijd <small>(min)</small>"
+      },
+      "cascadeControl": {
+        "input": {
+          "desc": "Kan worden gebruikt om de verwarming alleen in te schakelen als een andere ketel defect is. De besturing van de andere ketel moet de status van de GPIO-ingang wijzigen in geval van een storing.",
+          "enable": "Ingang ingeschakeld",
+          "gpio": "GPIO",
+          "invertState": "Inverteer GPIO-status",
+          "thresholdTime": "Drempeltijd statuswijziging <small>(sec)</small>"
+        },
+        "output": {
+          "desc": "Kan worden gebruikt om een andere ketel in te schakelen <u>via een relais</u>.",
+          "enable": "Uitgang ingeschakeld",
+          "gpio": "GPIO",
+          "invertState": "Inverteer GPIO-status",
+          "thresholdTime": "Drempeltijd statuswijziging <small>(sec)</small>",
+          "events": {
+            "desc": "Gebeurtenissen",
+            "onFault": "Als de storingsstatus actief is",
+            "onLossConnection": "Als de verbinding via Opentherm is verbroken",
+            "onEnabledHeating": "Als de verwarming is ingeschakeld"
+          }
+        }
+      }
+    },
+    "upgrade": {
+      "title": "Upgrade - OpenTherm Gateway",
+      "name": "Upgrade",
+      "section": {
+        "backupAndRestore": "Back-up & herstel",
+        "backupAndRestore.desc": "In deze sectie kunt u een back-up van ALLE instellingen opslaan en herstellen.",
+        "upgrade": "Upgrade",
+        "upgrade.desc": "In deze sectie kunt u de firmware en het bestandssysteem van uw apparaat upgraden.<br />De nieuwste releases kunnen worden gedownload van de <a href=\"https://github.com/Laxilef/OTGateway/releases\" target=\"_blank\">Releases-pagina</a> van de projectrepository."
+      },
+      "note": {
+        "disclaimer1": "Na een succesvolle upgrade van het bestandssysteem worden ALLE instellingen teruggezet naar de standaardwaarden! Sla een back-up op voordat u gaat upgraden.",
+        "disclaimer2": "Na een succesvolle upgrade zal het apparaat automatisch herstarten na 15 seconden."
+      },
+      "settingsFile": "Instellingenbestand",
+      "fw": "Firmware",
+      "fs": "Bestandssysteem"
+    }
+  }
+}
diff --git a/src_data/locales/ru.json b/src_data/locales/ru.json
index 28055f7..7a6e627 100644
--- a/src_data/locales/ru.json
+++ b/src_data/locales/ru.json
@@ -109,7 +109,8 @@
 
         "sConnected": "Подключение к OpenTherm",
         "sFlame": "Пламя",
-        "sCooling": "Охлаждение",
+        "sCoolingActive": "Охлаждение",
+        "sCoolingSetpoint": "Охлаждение, уставка",
         "sFaultActive": "Ошибка",
         "sFaultCode": "Код ошибки",
         "sDiagActive": "Диагностика",
@@ -454,6 +455,7 @@
       "extPump": {
         "use": "Использовать доп. насос",
         "gpio": "GPIO реле",
+        "invertState": "Инвертировать состояние GPIO",
         "postCirculationTime": "Время постциркуляции <small>(в минутах)</small>",
         "antiStuckInterval": "Интервал защиты от блокировки <small>(в днях)</small>",
         "antiStuckTime": "Время работы насоса <small>(в минутах)</small>"
diff --git a/src_data/pages/dashboard.html b/src_data/pages/dashboard.html
index 4a85a83..f01b72b 100644
--- a/src_data/pages/dashboard.html
+++ b/src_data/pages/dashboard.html
@@ -23,6 +23,7 @@
               <option value="en" selected>EN</option>
               <option value="cn">CN</option>
               <option value="it">IT</option>
+              <option value="nl">NL</option>
               <option value="ru">RU</option>
             </select>
           </li>
@@ -153,9 +154,14 @@
                   <th scope="row" data-i18n>dashboard.states.sFlame</th>
                   <td><i class="sFlame"></i></td>
                 </tr>
+
                 <tr>
-                  <th scope="row" data-i18n>dashboard.states.sCooling</th>
-                  <td><i class="sCooling"></i></td>
+                  <th scope="row" data-i18n>dashboard.states.sCoolingActive</th>
+                  <td><i class="sCoolingActive"></i></td>
+                </tr>
+                <tr>
+                  <th scope="row" data-i18n>dashboard.states.sCoolingSetpoint</th>
+                  <td><b class="sCoolingSetpoint"></b> %</td>
                 </tr>
 
 
@@ -557,7 +563,9 @@
               result.slave.connected ? "green" : "red"
             );
             setState('.sFlame', result.slave.flame);
-            setState('.sCooling', result.slave.cooling);
+
+            setState('.sCoolingActive', result.slave.cooling.active);
+            setValue('.sCoolingSetpoint', result.slave.cooling.setpoint);
 
             setValue('.sModMin', result.slave.modulation.min);
             setValue('.sModMax', result.slave.modulation.max);
diff --git a/src_data/pages/index.html b/src_data/pages/index.html
index 0958a62..c309190 100644
--- a/src_data/pages/index.html
+++ b/src_data/pages/index.html
@@ -23,6 +23,7 @@
               <option value="en" selected>EN</option>
               <option value="cn">CN</option>
               <option value="it">IT</option>
+              <option value="nl">NL</option>
               <option value="ru">RU</option>
             </select>
           </li>
diff --git a/src_data/pages/network.html b/src_data/pages/network.html
index 1a90b04..7204437 100644
--- a/src_data/pages/network.html
+++ b/src_data/pages/network.html
@@ -23,6 +23,7 @@
               <option value="en" selected>EN</option>
               <option value="cn">CN</option>
               <option value="it">IT</option>
+              <option value="nl">NL</option>
               <option value="ru">RU</option>
             </select>
           </li>
diff --git a/src_data/pages/sensors.html b/src_data/pages/sensors.html
index 0f5d0da..c36dbb7 100644
--- a/src_data/pages/sensors.html
+++ b/src_data/pages/sensors.html
@@ -23,6 +23,7 @@
               <option value="en" selected>EN</option>
               <option value="cn">CN</option>
               <option value="it">IT</option>
+              <option value="nl">NL</option>
               <option value="ru">RU</option>
             </select>
           </li>
diff --git a/src_data/pages/settings.html b/src_data/pages/settings.html
index 51fff96..5e2642e 100644
--- a/src_data/pages/settings.html
+++ b/src_data/pages/settings.html
@@ -23,6 +23,7 @@
               <option value="en" selected>EN</option>
               <option value="cn">CN</option>
               <option value="it">IT</option>
+              <option value="nl">NL</option>
               <option value="ru">RU</option>
             </select>
           </li>
@@ -757,6 +758,11 @@
                   <input type="checkbox" name="externalPump[use]" value="true">
                   <span data-i18n>settings.extPump.use</span>
                 </label>
+
+                <label>
+                  <input type="checkbox" name="externalPump[invertState]" value="true">
+                  <span data-i18n>settings.externalPump.invertState</span>
+                </label>
               </fieldset>
 
               <div class="grid">
@@ -954,6 +960,7 @@
           // Extpump
           setCheckboxValue("[name='externalPump[use]']", data.externalPump.use);
           setInputValue("[name='externalPump[gpio]']", data.externalPump.gpio < 255 ? data.externalPump.gpio : '');
+          setCheckboxValue("[name='externalPump[invertState]']", data.externalPump.invertState);
           setInputValue("[name='externalPump[postCirculationTime]']", data.externalPump.postCirculationTime);
           setInputValue("[name='externalPump[antiStuckInterval]']", data.externalPump.antiStuckInterval);
           setInputValue("[name='externalPump[antiStuckTime]']", data.externalPump.antiStuckTime);
diff --git a/src_data/pages/upgrade.html b/src_data/pages/upgrade.html
index c84e7eb..5cf0c85 100644
--- a/src_data/pages/upgrade.html
+++ b/src_data/pages/upgrade.html
@@ -23,6 +23,7 @@
               <option value="en" selected>EN</option>
               <option value="cn">CN</option>
               <option value="it">IT</option>
+              <option value="nl">NL</option>
               <option value="ru">RU</option>
             </select>
           </li>