Reapply "ruff remove else"

This reverts commit 3c2fae3.

custom_components/econet300/sensor.py

@@ -117,11 +117,10 @@ def create_controller_sensors(coordinator: EconetDataCoordinator, api: Econet300
                 data_key,
             )
             continue
-        else:
-            _LOGGER.warning(
-                "Key: %s is not mapped, sensor entity will not be added",
-                data_key,
-            )
+        _LOGGER.warning(
+            "Key: %s is not mapped, sensor entity will not be added",
+            data_key,
+        )
 
     return entities
 

custom_components/econet300/switch.py

@@ -0,0 +1,35 @@
+"""Platform econet300 switch integration."""
+
+from homeassistant.components.switch import SwitchEntity
+
+
+class BoilerSwitch(SwitchEntity):
+    """Representation of a switch to control the boiler."""
+
+    def __init__(self, hass, name, api):
+        """Initialize the boiler switch."""
+        self._name = name
+        self._api = api
+        self._is_on = False
+
+    @property
+    def name(self):
+        """Return the name of the switch."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Return true if the switch is on."""
+        return self._is_on
+
+    async def async_turn_on(self, **kwargs):
+        """Turn the boiler on."""
+        response = await self._api.set_param("BOILER_CONTROL", "1")
+        if response and response["result"] == "OK":
+            self._is_on = True
+
+    async def async_turn_off(self, **kwargs):
+        """Turn the boiler off."""
+        response = await self._api.set_param("BOILER_CONTROL", "0")
+        if response and response["result"] == "OK":
+            self._is_on = False