diff --git a/dist/Export.js b/dist/Export.js
index 1d15a3c..d7fc539 100644
--- a/dist/Export.js
+++ b/dist/Export.js
@@ -33,11 +33,11 @@ function RelayBoxExport(itemId, stateTopicPre, feedbackTopicPre, conflictTopicPr
         'openhab': RelayBoxOpenHABExport(itemId, stateTopicPre, feedbackTopicPre, conflictTopicPre, itemNames) };
 }
 exports.RelayBoxExport = RelayBoxExport;
-function SummerSwitchExport(summerSwitchTopic) {
+function HeatingMainSwitchExport(topic) {
     return { 'homekit': { 'id': '', 'object': {} },
-        'openhab': `Switch SummerSwitch "Winter?" {mqtt=">[localbroker:${summerSwitchTopic}:command:*:default],<[localbroker:${summerSwitchTopic}:state:default]"}` };
+        'openhab': `Switch HeatingMainSwitch "Heizung Hauptschalter" {mqtt=">[localbroker:${topic}:command:*:default],<[localbroker:${topic}:state:default]"}` };
 }
-exports.SummerSwitchExport = SummerSwitchExport;
+exports.HeatingMainSwitchExport = HeatingMainSwitchExport;
 function RelayBoxHomekitExport(itemId, stateTopicPre, feedbackTopicPre, conflictTopicPre, itemNames) {
     return { 'id': '', 'object': {} };
 }
diff --git a/dist/MaxThermostat.js b/dist/MaxThermostat.js
index 683e79a..5915d46 100644
--- a/dist/MaxThermostat.js
+++ b/dist/MaxThermostat.js
@@ -9,7 +9,7 @@ const DISABLED_TEMPERATURE = 5.0;
 class MaxThermostat extends AHomegearItem_1.AHomegearItem {
     constructor(floor, room, item, label, hmId, hardDisablers) {
         super(floor, room, item, label, hmId);
-        this.summerFlag = false;
+        this.heatingMainFlag = false;
         this.temperatureTopic = `${this.topicFirstPart}/temperature`;
         this.temperatureFeedbackTopic = `${this.topicFirstPart}/temperature/feedback`;
         this.presetTemperatureTopic = `${this.topicFirstPart}/presetTemperature`;
@@ -22,7 +22,7 @@ class MaxThermostat extends AHomegearItem_1.AHomegearItem {
             this.presetTemperatureTopic,
             this.deviceFeedbackTopic,
             this.commandTopic,
-            MaxThermostat.summerSwitchTopic
+            MaxThermostat.heatingMainSwitchTopic
         ];
         this.hardDisabled = false;
         this.hardDisablerMap = {};
@@ -38,8 +38,8 @@ class MaxThermostat extends AHomegearItem_1.AHomegearItem {
     exportItem() {
         return Export_1.ThermostatExport(this.itemId, this.label, this.temperatureTopic, this.temperatureFeedbackTopic, this.presetTemperatureTopic, this.presetTemperatureFeedbackTopic);
     }
-    static exportSummerSwitchItem() {
-        return Export_1.SummerSwitchExport(MaxThermostat.summerSwitchTopic);
+    static exportHeatingMainSwitchItem() {
+        return Export_1.HeatingMainSwitchExport(MaxThermostat.heatingMainSwitchTopic);
     }
     setPresetTemperature(presetTemperature) {
         this.presetTemperature = presetTemperature;
@@ -54,7 +54,7 @@ class MaxThermostat extends AHomegearItem_1.AHomegearItem {
             setTemperature = true;
         }
         else if (topic == this.commandTopic) {
-            if (!this.summerFlag) {
+            if (this.heatingMainFlag) {
                 if (payload == 'ON') {
                     this.temperature = this.presetTemperature;
                 }
@@ -64,9 +64,13 @@ class MaxThermostat extends AHomegearItem_1.AHomegearItem {
                 setTemperature = true;
             }
         }
-        else if (topic == MaxThermostat.summerSwitchTopic) {
-            this.summerFlag = (payload == 'ON');
-            logger.info(`${this.itemId} switched to ${this.summerFlag ? 'Summer' : 'Winter'} mode`);
+        else if (topic == MaxThermostat.heatingMainSwitchTopic) {
+            this.heatingMainFlag = (payload == 'ON');
+            logger.info(`${this.itemId} heating main: ${this.heatingMainFlag}`);
+            if (!this.heatingMainFlag) {
+                MqttDispatcher_1.mqttHandler.send(this.temperatureFeedbackTopic, `${DISABLED_TEMPERATURE}`);
+                MqttDispatcher_1.mqttHandler.send(this.actionTopic, `${DISABLED_TEMPERATURE}`);
+            }
         }
         else if (topic == this.presetTemperatureTopic) {
             this.presetTemperature = parseFloat(payload);
@@ -98,6 +102,6 @@ class MaxThermostat extends AHomegearItem_1.AHomegearItem {
         }
     }
 }
-MaxThermostat.summerSwitchTopic = 'dispatcher_ng/items/summerSwitch';
+MaxThermostat.heatingMainSwitchTopic = 'dispatcher_ng/items/heatingMainSwitch';
 exports.MaxThermostat = MaxThermostat;
 //# sourceMappingURL=MaxThermostat.js.map
\ No newline at end of file
diff --git a/dist/main.js b/dist/main.js
index 537c4a2..618887e 100644
--- a/dist/main.js
+++ b/dist/main.js
@@ -310,9 +310,9 @@ allLabeledItems.forEach((item) => {
         // logger.info(JSON.stringify(openhabList))
     }
 });
-let summerSwitchExport = MaxThermostat_1.MaxThermostat.exportSummerSwitchItem();
-if (summerSwitchExport != null) {
-    let da = summerSwitchExport['openhab'];
+let heatingMainSwitchExport = MaxThermostat_1.MaxThermostat.exportHeatingMainSwitchItem();
+if (heatingMainSwitchExport != null) {
+    let da = heatingMainSwitchExport['openhab'];
     openhabList.push(da);
 }
 fs.writeFileSync(config.dict.homekitFile, JSON.stringify(homekitObject, null, 4));
diff --git a/openhab.items b/openhab.items
index 3a42a43..e5b4305 100644
--- a/openhab.items
+++ b/openhab.items
@@ -50,4 +50,4 @@ Switch base_labor_relaybox1 "Herd" {mqtt=">[localbroker:dispatcher_ng/items/base
 String base_labor_relaybox1Conflict "Herd [%s]" {mqtt="<[localbroker:dispatcher_ng/items/base/labor/relaybox/conflict/1:state:default]"}
 Switch base_labor_relaybox2 "Waschküche" {mqtt=">[localbroker:dispatcher_ng/items/base/labor/relaybox/state/2:command:*:default],<[localbroker:dispatcher_ng/items/base/labor/relaybox/feedback/2:state:default]"}
 String base_labor_relaybox2Conflict "Waschküche [%s]" {mqtt="<[localbroker:dispatcher_ng/items/base/labor/relaybox/conflict/2:state:default]"}
-Switch SummerSwitch "Winter?" {mqtt=">[localbroker:dispatcher_ng/items/summerSwitch:command:*:default],<[localbroker:dispatcher_ng/items/summerSwitch:state:default]"}
\ No newline at end of file
+Switch HeatingMainSwitch "Heizung Hauptschalter" {mqtt=">[localbroker:dispatcher_ng/items/heatingMainSwitch:command:*:default],<[localbroker:dispatcher_ng/items/heatingMainSwitch:state:default]"}
\ No newline at end of file
diff --git a/src/Export.ts b/src/Export.ts
index a13f2ac..f5192cd 100644
--- a/src/Export.ts
+++ b/src/Export.ts
@@ -51,9 +51,9 @@ export function RelayBoxExport(itemId: string, stateTopicPre: string, feedbackTo
             'openhab': RelayBoxOpenHABExport(itemId, stateTopicPre, feedbackTopicPre, conflictTopicPre, itemNames)}
 }
 
-export function SummerSwitchExport(summerSwitchTopic: string) : ExportType {
+export function HeatingMainSwitchExport(topic: string) : ExportType {
     return {'homekit': {'id':'', 'object': {}},
-            'openhab': `Switch SummerSwitch "Winter?" {mqtt=">[localbroker:${summerSwitchTopic}:command:*:default],<[localbroker:${summerSwitchTopic}:state:default]"}`}
+            'openhab': `Switch HeatingMainSwitch "Heizung Hauptschalter" {mqtt=">[localbroker:${topic}:command:*:default],<[localbroker:${topic}:state:default]"}`}
 }
 
 function RelayBoxHomekitExport(itemId: string, stateTopicPre: string, feedbackTopicPre: string, conflictTopicPre: string, itemNames: string[]) : HomekitExportType{
diff --git a/src/MaxThermostat.ts b/src/MaxThermostat.ts
index c628637..16bdb1e 100644
--- a/src/MaxThermostat.ts
+++ b/src/MaxThermostat.ts
@@ -3,7 +3,7 @@ import { mqttHandler } from './MqttDispatcher'
 import { HasInTopic } from './AItem'
 import { AHomegearItem } from './AHomegearItem'
 // import { MaxWindowContact } from './MaxWindowContact';
-import { ThermostatExport, SummerSwitchExport, ExportType } from './Export'
+import { ThermostatExport, HeatingMainSwitchExport, ExportType } from './Export'
 import { Disabler } from './Disabler'
 
 const DISABLED_TEMPERATURE: number = 5.0
@@ -26,8 +26,8 @@ export class MaxThermostat extends AHomegearItem implements HasInTopic {
     private hardDisabled: boolean
     private commandTopic: string
 
-    static summerSwitchTopic : string = 'dispatcher_ng/items/summerSwitch'
-    private summerFlag: boolean = false
+    static heatingMainSwitchTopic : string = 'dispatcher_ng/items/heatingMainSwitch'
+    private heatingMainFlag: boolean = false
 
     //    Thermostat: homegear/instance1/set/3/1/SET_TEMPERATURE
 
@@ -39,8 +39,8 @@ export class MaxThermostat extends AHomegearItem implements HasInTopic {
         return ThermostatExport(this.itemId, this.label, this.temperatureTopic, this.temperatureFeedbackTopic, this.presetTemperatureTopic, this.presetTemperatureFeedbackTopic)
     }
 
-    static exportSummerSwitchItem() : ExportType|null {
-        return SummerSwitchExport(MaxThermostat.summerSwitchTopic)
+    static exportHeatingMainSwitchItem() : ExportType|null {
+        return HeatingMainSwitchExport(MaxThermostat.heatingMainSwitchTopic)
     }
 
     constructor(floor: string, room: string, item: string, label: string, hmId: number, hardDisablers: Disabler[]) {
@@ -57,7 +57,7 @@ export class MaxThermostat extends AHomegearItem implements HasInTopic {
             this.presetTemperatureTopic,
             this.deviceFeedbackTopic,
             this.commandTopic,
-            MaxThermostat.summerSwitchTopic
+            MaxThermostat.heatingMainSwitchTopic
         ]
         this.hardDisabled = false
         this.hardDisablerMap = {}
@@ -81,7 +81,7 @@ export class MaxThermostat extends AHomegearItem implements HasInTopic {
             this.temperature = parseFloat(payload)
             setTemperature = true
         } else if (topic == this.commandTopic) {
-            if (! this.summerFlag) {
+            if (this.heatingMainFlag) {
                 if (payload == 'ON') {
                     this.temperature = this.presetTemperature
                 } else if (payload == 'OFF') {
@@ -89,9 +89,13 @@ export class MaxThermostat extends AHomegearItem implements HasInTopic {
                 }
                 setTemperature = true
             }
-        } else if (topic == MaxThermostat.summerSwitchTopic) {
-            this.summerFlag = (payload == 'ON')
-            logger.info(`${this.itemId} switched to ${this.summerFlag ? 'Summer' : 'Winter'} mode`)
+        } else if (topic == MaxThermostat.heatingMainSwitchTopic) {
+            this.heatingMainFlag = (payload == 'ON')
+            logger.info(`${this.itemId} heating main: ${this.heatingMainFlag}`)
+            if (! this.heatingMainFlag) {
+                mqttHandler.send(this.temperatureFeedbackTopic, `${DISABLED_TEMPERATURE}`)
+                mqttHandler.send(this.actionTopic, `${DISABLED_TEMPERATURE}`)
+            }
         } else if (topic == this.presetTemperatureTopic) {
                 this.presetTemperature = parseFloat(payload)
                 mqttHandler.send(this.presetTemperatureFeedbackTopic, `${this.presetTemperature}`)
diff --git a/src/main.ts b/src/main.ts
index fa53680..2263ef0 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -401,9 +401,9 @@ allLabeledItems.forEach((item: AItem) => {
   }
 })
 
-let summerSwitchExport : ExportType|null = MaxThermostat.exportSummerSwitchItem()
-if (summerSwitchExport != null) {
-  let da : string = summerSwitchExport['openhab'] as string
+let heatingMainSwitchExport : ExportType|null = MaxThermostat.exportHeatingMainSwitchItem()
+if (heatingMainSwitchExport != null) {
+  let da : string = heatingMainSwitchExport['openhab'] as string
   openhabList.push(da)
 }