Add new climate feature flags for plugwise (#109464)

homeassistant/components/plugwise/climate.py

@@ -45,6 +45,7 @@ class PlugwiseClimateEntity(PlugwiseEntity, ClimateEntity):
     _attr_name = None
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_translation_key = DOMAIN
+    _enable_turn_on_off_backwards_compatibility = False
 
     _previous_mode: str = "heating"
 
@@ -62,6 +63,11 @@ class PlugwiseClimateEntity(PlugwiseEntity, ClimateEntity):
         self.gateway_data = coordinator.data.devices[gateway_id]
         # Determine supported features
         self._attr_supported_features = ClimateEntityFeature.TARGET_TEMPERATURE
+        if HVACMode.OFF in self.hvac_modes:
+            self._attr_supported_features |= (
+                ClimateEntityFeature.TURN_OFF | ClimateEntityFeature.TURN_ON
+            )
+
         if (
             self.cdr_gateway["cooling_present"]
             and self.cdr_gateway["smile_name"] != "Adam"