diff --git a/src/MainTask.h b/src/MainTask.h
index 8d746e0..fcd0c28 100644
--- a/src/MainTask.h
+++ b/src/MainTask.h
@@ -319,7 +319,7 @@ protected:
         emergencyFlags |= 0b00000010;
       }
       
-      if (settings.opentherm.options.nativeHeatingControl) {
+      if (settings.opentherm.options.nativeOTC) {
         emergencyFlags |= 0b00000100;
       }
     }
diff --git a/src/OpenThermTask.h b/src/OpenThermTask.h
index c609597..53eed3b 100644
--- a/src/OpenThermTask.h
+++ b/src/OpenThermTask.h
@@ -218,7 +218,7 @@ protected:
       vars.master.heating.enabled,
       vars.master.dhw.enabled,
       settings.opentherm.options.coolingSupport,
-      settings.opentherm.options.nativeHeatingControl,
+      settings.opentherm.options.nativeOTC,
       vars.master.ch2.enabled,
       summerWinterMode,
       dhwBlocking,
@@ -911,7 +911,7 @@ protected:
 
     // Update CH2 temp
     if (Sensors::getAmountByType(Sensors::Type::OT_CH2_TEMP, true)) {
-      if (vars.master.ch2.enabled && !settings.opentherm.options.nativeHeatingControl) {
+      if (vars.master.ch2.enabled && !settings.opentherm.options.nativeOTC) {
         if (this->updateCh2Temp()) {
           float convertedCh2Temp = convertTemp(
             vars.slave.ch2.currentTemp,
@@ -1209,8 +1209,8 @@ protected:
       }
     }
 
-    // Native heating control
-    if (settings.opentherm.options.nativeHeatingControl) {
+    // NativeOTC or if the AlwaysSendIndoorTemp option is enabled.
+    if ((settings.opentherm.options.nativeOTC) || (settings.opentherm.options.alwaysSendIndoorTemp)) {
       // Converted current indoor temp
       float convertedTemp = convertTemp(vars.master.heating.indoorTemp, settings.system.unitSystem, settings.opentherm.unitSystem);
 
@@ -1238,7 +1238,6 @@ protected:
         }
       }
 
-
       // Converted target indoor temp
       convertedTemp = convertTemp(vars.master.heating.targetTemp, settings.system.unitSystem, settings.opentherm.unitSystem);
 
@@ -1274,7 +1273,7 @@ protected:
     }
 
     // Normal heating control
-    if (!settings.opentherm.options.nativeHeatingControl && vars.master.heating.enabled) {
+    if (!settings.opentherm.options.nativeOTC && vars.master.heating.enabled) {
       // Converted target heating temp
       float convertedTemp = convertTemp(vars.master.heating.setpointTemp, settings.system.unitSystem, settings.opentherm.unitSystem);
 
@@ -1311,7 +1310,7 @@ protected:
     }
 
     // Set CH2 temp
-    if (!settings.opentherm.options.nativeHeatingControl && vars.master.ch2.enabled) {
+    if (!settings.opentherm.options.nativeOTC && vars.master.ch2.enabled) {
       if (settings.opentherm.options.heatingToCh2 || settings.opentherm.options.dhwToCh2) {
         // Converted target CH2 temp
         float convertedTemp = convertTemp(
diff --git a/src/RegulatorTask.h b/src/RegulatorTask.h
index 43df116..30fbb6d 100644
--- a/src/RegulatorTask.h
+++ b/src/RegulatorTask.h
@@ -37,7 +37,7 @@ protected:
     this->indoorSensorsConnected = Sensors::existsConnectedSensorsByPurpose(Sensors::Purpose::INDOOR_TEMP);
     //this->outdoorSensorsConnected = Sensors::existsConnectedSensorsByPurpose(Sensors::Purpose::OUTDOOR_TEMP);
 
-    if (settings.equitherm.enabled || settings.pid.enabled || settings.opentherm.options.nativeHeatingControl) {
+    if (settings.equitherm.enabled || settings.pid.enabled || settings.opentherm.options.nativeOTC) {
       vars.master.heating.indoorTempControl = true;
       vars.master.heating.minTemp = THERMOSTAT_INDOOR_MIN_TEMP;
       vars.master.heating.maxTemp = THERMOSTAT_INDOOR_MAX_TEMP;
@@ -102,7 +102,7 @@ protected:
   void hysteresis() {
     bool useHyst = false;
     if (settings.heating.hysteresis.enabled && this->indoorSensorsConnected) {
-      useHyst = settings.equitherm.enabled || settings.pid.enabled || settings.opentherm.options.nativeHeatingControl;
+      useHyst = settings.equitherm.enabled || settings.pid.enabled || settings.opentherm.options.nativeOTC;
     }
 
     if (useHyst) {
@@ -119,13 +119,13 @@ protected:
   }
 
   inline float getHeatingMinSetpointTemp() {
-    return settings.opentherm.options.nativeHeatingControl
+    return settings.opentherm.options.nativeOTC
       ? vars.master.heating.minTemp
       : settings.heating.minTemp;
   }
 
   inline float getHeatingMaxSetpointTemp() {
-    return settings.opentherm.options.nativeHeatingControl
+    return settings.opentherm.options.nativeOTC
       ? vars.master.heating.maxTemp
       : settings.heating.maxTemp;
   }
@@ -146,7 +146,7 @@ protected:
     if (vars.emergency.state) {
       return settings.emergency.target;
 
-    } else if (settings.opentherm.options.nativeHeatingControl) {
+    } else if (settings.opentherm.options.nativeOTC) {
       return settings.heating.target;
 
     } else if (!settings.equitherm.enabled && !settings.pid.enabled) {
diff --git a/src/Settings.h b/src/Settings.h
index 43c3871..13da7c2 100644
--- a/src/Settings.h
+++ b/src/Settings.h
@@ -78,7 +78,8 @@ struct Settings {
       bool autoFaultReset = false;
       bool autoDiagReset = false;
       bool setDateAndTime = false;
-      bool nativeHeatingControl = false;
+      bool alwaysSendIndoorTemp = true;
+      bool nativeOTC = false;
       bool immergasFix = false;
     } options;
   } opentherm;
diff --git a/src/strings.h b/src/strings.h
index 510c392..d438a6e 100644
--- a/src/strings.h
+++ b/src/strings.h
@@ -110,6 +110,7 @@ const char S_HYSTERESIS[]                           PROGMEM = "hysteresis";
 const char S_ID[]                                   PROGMEM = "id";
 const char S_IGNORE_DIAG_STATE[]                    PROGMEM = "ignoreDiagState";
 const char S_IMMERGAS_FIX[]                         PROGMEM = "immergasFix";
+const char S_ALWAYS_SEND_INDOOR_TEMP[]              PROGMEM = "alwaysSendIndoorTemp";
 const char S_INDOOR_TEMP[]                          PROGMEM = "indoorTemp";
 const char S_INDOOR_TEMP_CONTROL[]                  PROGMEM = "indoorTempControl";
 const char S_IN_GPIO[]                              PROGMEM = "inGpio";
@@ -141,7 +142,7 @@ const char S_MODEL[]                                PROGMEM = "model";
 const char S_MODULATION[]                           PROGMEM = "modulation";
 const char S_MQTT[]                                 PROGMEM = "mqtt";
 const char S_NAME[]                                 PROGMEM = "name";
-const char S_NATIVE_HEATING_CONTROL[]               PROGMEM = "nativeHeatingControl";
+const char S_NATIVE_OTC[]                           PROGMEM = "nativeOTC";
 const char S_NETWORK[]                              PROGMEM = "network";
 const char S_NTP[]                                  PROGMEM = "ntp";
 const char S_OFFSET[]                               PROGMEM = "offset";
diff --git a/src/utils.h b/src/utils.h
index c3d5dfc..f3db18d 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -468,8 +468,10 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
     otOptions[FPSTR(S_AUTO_FAULT_RESET)] = src.opentherm.options.autoFaultReset;
     otOptions[FPSTR(S_AUTO_DIAG_RESET)] = src.opentherm.options.autoDiagReset;
     otOptions[FPSTR(S_SET_DATE_AND_TIME)] = src.opentherm.options.setDateAndTime;
-    otOptions[FPSTR(S_NATIVE_HEATING_CONTROL)] = src.opentherm.options.nativeHeatingControl;
+    otOptions[FPSTR(S_ALWAYS_SEND_INDOOR_TEMP)] = src.opentherm.options.alwaysSendIndoorTemp;
+    otOptions[FPSTR(S_NATIVE_OTC)] = src.opentherm.options.nativeOTC;
     otOptions[FPSTR(S_IMMERGAS_FIX)] = src.opentherm.options.immergasFix;
+    
 
     auto mqtt = dst[FPSTR(S_MQTT)].to<JsonObject>();
     mqtt[FPSTR(S_ENABLED)] = src.mqtt.enabled;
@@ -1003,11 +1005,20 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
       }
     }
 
-    if (src[FPSTR(S_OPENTHERM)][FPSTR(S_OPTIONS)][FPSTR(S_NATIVE_HEATING_CONTROL)].is<bool>()) {
-      bool value = src[FPSTR(S_OPENTHERM)][FPSTR(S_OPTIONS)][FPSTR(S_NATIVE_HEATING_CONTROL)].as<bool>();
+    if (src[FPSTR(S_OPENTHERM)][FPSTR(S_OPTIONS)][FPSTR(S_ALWAYS_SEND_INDOOR_TEMP)].is<bool>()) {
+      bool value = src[FPSTR(S_OPENTHERM)][FPSTR(S_OPTIONS)][FPSTR(S_ALWAYS_SEND_INDOOR_TEMP)].as<bool>();
 
-      if (value != dst.opentherm.options.nativeHeatingControl) {
-        dst.opentherm.options.nativeHeatingControl = value;
+      if (value != dst.opentherm.options.alwaysSendIndoorTemp) {
+        dst.opentherm.options.alwaysSendIndoorTemp = value;
+        changed = true;
+      }
+    }
+
+    if (src[FPSTR(S_OPENTHERM)][FPSTR(S_OPTIONS)][FPSTR(S_NATIVE_OTC)].is<bool>()) {
+      bool value = src[FPSTR(S_OPENTHERM)][FPSTR(S_OPTIONS)][FPSTR(S_NATIVE_OTC)].as<bool>();
+
+      if (value != dst.opentherm.options.nativeOTC) {
+        dst.opentherm.options.nativeOTC = value;
 
         if (value) {
           dst.equitherm.enabled = false;
@@ -1027,7 +1038,6 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
       }
     }
 
-
     // mqtt
     if (src[FPSTR(S_MQTT)][FPSTR(S_ENABLED)].is<bool>()) {
       bool value = src[FPSTR(S_MQTT)][FPSTR(S_ENABLED)].as<bool>();
@@ -1118,7 +1128,7 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
   if (src[FPSTR(S_EQUITHERM)][FPSTR(S_ENABLED)].is<bool>()) {
     bool value = src[FPSTR(S_EQUITHERM)][FPSTR(S_ENABLED)].as<bool>();
 
-    if (!dst.opentherm.options.nativeHeatingControl) {
+    if (!dst.opentherm.options.nativeOTC) {
       if (value != dst.equitherm.enabled) {
         dst.equitherm.enabled = value;
         changed = true;
@@ -1171,7 +1181,7 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
   if (src[FPSTR(S_PID)][FPSTR(S_ENABLED)].is<bool>()) {
     bool value = src[FPSTR(S_PID)][FPSTR(S_ENABLED)].as<bool>();
 
-    if (!dst.opentherm.options.nativeHeatingControl) {
+    if (!dst.opentherm.options.nativeOTC) {
       if (value != dst.pid.enabled) {
         dst.pid.enabled = value;
         changed = true;
@@ -1704,7 +1714,7 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
   // force check emergency target
   {
     float value = !src[FPSTR(S_EMERGENCY)][FPSTR(S_TARGET)].isNull() ? src[FPSTR(S_EMERGENCY)][FPSTR(S_TARGET)].as<float>() : dst.emergency.target;
-    bool noRegulators = !dst.opentherm.options.nativeHeatingControl;
+    bool noRegulators = !dst.opentherm.options.nativeOTC;
     bool valid = isValidTemp(
       value,
       dst.system.unitSystem,
@@ -1729,7 +1739,7 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
 
   // force check heating target
   {
-    bool indoorTempControl = dst.equitherm.enabled || dst.pid.enabled || dst.opentherm.options.nativeHeatingControl;
+    bool indoorTempControl = dst.equitherm.enabled || dst.pid.enabled || dst.opentherm.options.nativeOTC;
     float minTemp = indoorTempControl ? THERMOSTAT_INDOOR_MIN_TEMP : dst.heating.minTemp;
     float maxTemp = indoorTempControl ? THERMOSTAT_INDOOR_MAX_TEMP : dst.heating.maxTemp;
 
diff --git a/src_data/locales/cn.json b/src_data/locales/cn.json
index 9910c0f..4d60218 100644
--- a/src_data/locales/cn.json
+++ b/src_data/locales/cn.json
@@ -457,12 +457,13 @@
           "autoFaultReset": "自动报警复位 <small>(不推荐！)</small>",
           "autoDiagReset": "自动诊断复位 <small>(不推荐！)</small>",
           "setDateAndTime": "同步设置锅炉日期与时间",
-          "immergasFix": "针对Immergas锅炉的兼容性修复"
+          "immergasFix": "针对Immergas锅炉的兼容性修复",
+          "alwaysSendIndoorTemp": "一定要给锅炉输送电流和目标温度"
         },
 
-        "nativeHeating": {
-          "title": "原生锅炉供暖控制",
-          "note": "<u>注意：</u> 仅适用于锅炉需接收目标室温并自主调节载热介质温度的场景，与固件中的PID及Equithermq气候补偿功能不兼容。"
+        "nativeOTC": {
+          "title": "本地（由锅炉处理）外部温度补偿",
+          "note": "只有 锅炉能调节冷却液温度时才有效。未经测试。固件中不兼容PID和Equitherm的调压器。"
         }
       },
 
diff --git a/src_data/locales/en.json b/src_data/locales/en.json
index 732a5f7..6bc0152 100644
--- a/src_data/locales/en.json
+++ b/src_data/locales/en.json
@@ -457,12 +457,13 @@
           "autoFaultReset": "Auto fault reset <small>(not recommended!)</small>",
           "autoDiagReset": "Auto diag reset <small>(not recommended!)</small>",
           "setDateAndTime": "Set date & time on boiler",
-          "immergasFix": "Fix for Immergas boilers"
+          "immergasFix": "Fix for Immergas boilers",
+          "alwaysSendIndoorTemp": "Always send current and target indoor temp to boiler"
         },
 
-        "nativeHeating": {
-          "title": "Native heating control (boiler)",
-          "note": "Works <u>ONLY</u> if the boiler requires the desired room temperature and regulates the temperature of the coolant itself. Not compatible with PID and Equitherm regulators in firmware."
+        "nativeOTC": {
+          "title": "Native (handled by boiler) Outside Temp Compensation",
+          "note": "Works <u>ONLY</u> if the boiler regulates the temperature of the coolant itself. Untested. Not compatible with PID and Equitherm regulators in firmware."
         }
       },
 
diff --git a/src_data/locales/it.json b/src_data/locales/it.json
index 2a5ca65..7792efb 100644
--- a/src_data/locales/it.json
+++ b/src_data/locales/it.json
@@ -457,12 +457,13 @@
           "autoFaultReset": "Ripristino automatico degli errori <small>(sconsigliato!)</small>",
           "autoDiagReset": "Ripristino diagnostico automatica <small>(sconsigliato!)</small>",
           "setDateAndTime": "Imposta data e ora sulla caldaia",
-          "immergasFix": "Fix per caldiaie Immergas"
+          "immergasFix": "Fix per caldiaie Immergas",
+          "alwaysSendIndoorTemp": "Invia sempre corrente e la temperatura interna target alla caldaia"
         },
 
-        "nativeHeating": {
-          "title": "Controllo del riscaldamento nativo (caldaia)",
-          "note": "Lavora <u>SOLO</u> se la caldaia richiede la temperatura ambiente desiderata e regola autonomamente la temperatura del fluido. Non compatiblile con regolazioni PID e Equitherm del sistema."
+        "nativeOTC": {
+          "title": "Compensazione della temperatura esterna nativa (gestita dalla caldaia)",
+          "note": "Lavora <u>SOLO</u> se la caldaia regola la temperatura del liquido refrigerante stesso. Testate. Non compatibile con i regolatori PID ed Equitherm nel firmware."
         }
       },
 
diff --git a/src_data/locales/nl.json b/src_data/locales/nl.json
index 0f8970b..af4e063 100644
--- a/src_data/locales/nl.json
+++ b/src_data/locales/nl.json
@@ -422,11 +422,12 @@
           "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"
+          "immergasFix": "Fix voor Immergas-ketels",
+          "alwaysSendIndoorTemp": "Stuur altijd de stroom- en streeftemperatuur binnen naar de ketel"
         },
-        "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."
+        "nativeOTC": {
+          "title": "Native (afgehandeld door de ketel) Buitentemperatuurcompensatie",
+          "note": "Werkt <u>ALLEEN</u> als de ketel de temperatuur van de koelvloeistof zelf regelt. Geteste. Niet compatibel met PID- en Equitherm-regelaars in firmware"
         }
       },
       "mqtt": {
diff --git a/src_data/locales/ru.json b/src_data/locales/ru.json
index 707ca30..6bce482 100644
--- a/src_data/locales/ru.json
+++ b/src_data/locales/ru.json
@@ -457,12 +457,13 @@
           "autoFaultReset": "Автоматический сброс ошибок <small>(не рекомендуется!)</small>",
           "autoDiagReset": "Автоматический сброс диагностики <small>(не рекомендуется!)</small>",
           "setDateAndTime": "Устанавливать время и дату на котле",
-          "immergasFix": "Фикс для котлов Immergas"
+          "immergasFix": "Фикс для котлов Immergas",
+          "alwaysSendIndoorTemp": "Всегда отправляйте ток и целевую температуру в помещении в котёл"
         },
 
-        "nativeHeating": {
-          "title": "Передать управление отоплением котлу",
-          "note": "Работает <u>ТОЛЬКО</u> если котел требует и принимает целевую температуру в помещении и сам регулирует температуру теплоносителя на основе встроенного режима кривых. Несовместимо с ПИД и ПЗА."
+        "nativeOTC": {
+          "title": "Нативная (обрабатывается котлом) Внешняя компенсация температуры",
+          "note": "Работает <u>ТОЛЬКО</u> если котёл регулирует температуру самого охлаждающей жидкости. Непроверенных. Несовместимо с регуляторами PID и Equitherm в прошивке."
         }
       },
 
diff --git a/src_data/pages/settings.html b/src_data/pages/settings.html
index 8630dbc..aca7079 100644
--- a/src_data/pages/settings.html
+++ b/src_data/pages/settings.html
@@ -692,12 +692,17 @@
                       <span data-i18n>settings.ot.options.immergasFix</span>
                     </label>
 
+                    <label>
+                      <input type="checkbox" name="opentherm[options][alwaysSendIndoorTemp]" value="true">
+                      <span data-i18n>settings.ot.options.alwaysSendIndoorTemp</span>
+                    </label>
+
                     <hr />
 
                     <label>
-                      <input type="checkbox" name="opentherm[options][nativeHeatingControl]" value="true">
-                      <span data-i18n>settings.ot.nativeHeating.title</span><br />
-                      <small data-i18n>settings.ot.nativeHeating.note</small>
+                      <input type="checkbox" name="opentherm[options][nativeOTC]" value="true">
+                      <span data-i18n>settings.ot.nativeOTC.title</span><br />
+                      <small data-i18n>settings.ot.nativeOTC.note</small>
                     </label>
                   </fieldset>
                 </div>
@@ -1117,8 +1122,9 @@
           setCheckboxValue("[name='opentherm[options][autoFaultReset]']", data.opentherm.options.autoFaultReset);
           setCheckboxValue("[name='opentherm[options][autoDiagReset]']", data.opentherm.options.autoDiagReset);
           setCheckboxValue("[name='opentherm[options][setDateAndTime]']", data.opentherm.options.setDateAndTime);
-          setCheckboxValue("[name='opentherm[options][nativeHeatingControl]']", data.opentherm.options.nativeHeatingControl);
+          setCheckboxValue("[name='opentherm[options][nativeOTC]']", data.opentherm.options.nativeOTC);
           setCheckboxValue("[name='opentherm[options][immergasFix]']", data.opentherm.options.immergasFix);
+          setCheckboxValue("[name='opentherm[options][alwaysSendIndoorTemp]']", data.opentherm.options.alwaysSendIndoorTemp);
           setBusy('#ot-settings-busy', '#ot-settings', false);
 
           // MQTT
@@ -1206,7 +1212,7 @@
           setBusy('#dhw-settings-busy', '#dhw-settings', false);
 
           // Emergency mode
-          if (data.opentherm.options.nativeHeatingControl) {
+          if (data.opentherm.options.nativeOTC) {
             setInputValue("[name='emergency[target]']", data.emergency.target, {
               "min": data.system.unitSystem == 0 ? 5 : 41,
               "max": data.system.unitSystem == 0 ? 40 : 104