diff --git a/bundles/org.openhab.binding.modbus.stiebeleltron/README.md b/bundles/org.openhab.binding.modbus.stiebeleltron/README.md
index 25d38b4bb..c7bbb2d0a 100644
--- a/bundles/org.openhab.binding.modbus.stiebeleltron/README.md
+++ b/bundles/org.openhab.binding.modbus.stiebeleltron/README.md
@@ -111,10 +111,10 @@ Bridge modbus:tcp:bridge "Stiebel Modbus TCP"[ host="hostname|ip", port=502, id=
 ### Item Configuration
 
 ```java
-Number:Temperature stiebel_eltron_temperature_ffk            "Temperature FFK [%.1f °C]" <temperature>    { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-temperature" }
-Number:Temperature stiebel_eltron_setpoint_ffk            "Set point FFK [%.1f °C]" <temperature>    { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-temperature-setpoint" }
-Number:Dimensionless stiebel_eltron_humidity_ffk            "Humidity FFK [%.1f %%]" <humidity>   { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-humidity" }
-Number:Temperature stiebel_eltron_dewpoint_ffk            "Dew point FFK [%.1f °C]" <temperature>    { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-dewpoint" }
+Number:Temperature stiebel_eltron_temperature_fek            "Temperature FEK [%.1f °C]" <temperature>    { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-temperature" }
+Number:Temperature stiebel_eltron_setpoint_fek            "Set point FEK [%.1f °C]" <temperature>    { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-temperature-setpoint" }
+Number:Dimensionless stiebel_eltron_humidity_fek            "Humidity FEK [%.1f %%]" <humidity>   { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-humidity" }
+Number:Temperature stiebel_eltron_dewpoint_fek            "Dew point FEK [%.1f °C]" <temperature>    { channel="modbus:heatpump:stiebelEltron:systemInformation#fek-dewpoint" }
 
 Number:Temperature stiebel_eltron_outdoor_temp            "Outdoor temperature [%.1f °C]"    { channel="modbus:heatpump:stiebelEltron:systemInformation#outdoor-temperature" }
 Number:Temperature stiebel_eltron_temp_hk1                "Temperature HK1 [%.1f °C]"    { channel="modbus:heatpump:stiebelEltron:systemInformation#hk1-temperature" }
@@ -169,10 +169,10 @@ Text label="Heat pumpt" icon="temperature" {
   Default item=stiebel_eltron_ruecklauf_temp  icon="temperature"
   Default item=stiebel_eltron_temp_water  icon="temperature"
   Default item=stiebel_eltron_setpoint_water icon="temperature"
-  Default item=stiebel_eltron_temperature_ffk  icon="temperature"
-  Default item=stiebel_eltron_setpoint_ffk icon="temperature"
-  Default item=stiebel_eltron_humidity_ffk icon="humidity"
-  Default item=stiebel_eltron_dewpoint_ffk icon="temperature"
+  Default item=stiebel_eltron_temperature_fek  icon="temperature"
+  Default item=stiebel_eltron_setpoint_fek icon="temperature"
+  Default item=stiebel_eltron_humidity_fek icon="humidity"
+  Default item=stiebel_eltron_dewpoint_fek icon="temperature"
   Default item=stiebel_eltron_source_temp icon="temperature"
  }
  Frame label="Paramters" {
diff --git a/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/i18n/stiebeleltron.properties b/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/i18n/stiebeleltron.properties
index a0fac07e5..fefda14ab 100644
--- a/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/i18n/stiebeleltron.properties
+++ b/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/i18n/stiebeleltron.properties
@@ -27,10 +27,10 @@ channel-type.modbus.consumption-water-today-type.label = Power Consumption for W
 channel-type.modbus.consumption-water-total-type.label = Power Consumption for Water Total
 channel-type.modbus.eco-temperature-heating-type.label = Eco Temperature Heating
 channel-type.modbus.eco-temperature-water-type.label = Eco Temperature Water
-channel-type.modbus.fek-dewpoint-type.label = FFK Dewpoint
-channel-type.modbus.fek-humidity-type.label = FFK Humidity
-channel-type.modbus.fek-temperature-setpoint-type.label = FFK Temperature Set Point
-channel-type.modbus.fek-temperature-type.label = FFK Temperature
+channel-type.modbus.fek-dewpoint-type.label = FEK Dewpoint
+channel-type.modbus.fek-humidity-type.label = FEK Humidity
+channel-type.modbus.fek-temperature-setpoint-type.label = FEK Temperature Set Point
+channel-type.modbus.fek-temperature-type.label = FEK Temperature
 channel-type.modbus.hk1-temperature-setpoint-type.label = HK1 Temperature Set Point
 channel-type.modbus.hk1-temperature-type.label = HK1 Temperature
 channel-type.modbus.is-cooling-type.label = Currently Cooling
diff --git a/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/thing/heatpump-channel-types.xml b/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/thing/heatpump-channel-types.xml
index b409f22da..85fb40510 100644
--- a/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/thing/heatpump-channel-types.xml
+++ b/bundles/org.openhab.binding.modbus.stiebeleltron/src/main/resources/OH-INF/thing/heatpump-channel-types.xml
@@ -6,23 +6,23 @@
 
 	<channel-type id="fek-temperature-type">
 		<item-type>Number:Temperature</item-type>
-		<label>FFK Temperature</label>
+		<label>FEK Temperature</label>
 		<state readOnly="true" pattern="%.1f %unit%"/>
 	</channel-type>
 
 	<channel-type id="fek-temperature-setpoint-type">
 		<item-type>Number:Temperature</item-type>
-		<label>FFK Temperature Set Point</label>
+		<label>FEK Temperature Set Point</label>
 		<state readOnly="true" pattern="%.1f %unit%"/>
 	</channel-type>
 	<channel-type id="fek-humidity-type">
 		<item-type>Number:Dimensionless</item-type>
-		<label>FFK Humidity</label>
+		<label>FEK Humidity</label>
 		<state readOnly="true" pattern="%.1f %unit%"/>
 	</channel-type>
 	<channel-type id="fek-dewpoint-type">
 		<item-type>Number:Temperature</item-type>
-		<label>FFK Dewpoint</label>
+		<label>FEK Dewpoint</label>
 		<state readOnly="true" pattern="%.1f %unit%"/>
 	</channel-type>
 	<channel-type id="outdoor-temperature-type">