diff --git a/homeassistant/components/overkiz/cover_entities/awning.py b/homeassistant/components/overkiz/cover_entities/awning.py
index bbce2c985ed..ebbff8710f3 100644
--- a/homeassistant/components/overkiz/cover_entities/awning.py
+++ b/homeassistant/components/overkiz/cover_entities/awning.py
@@ -7,11 +7,11 @@ from pyoverkiz.enums import OverkizCommand, OverkizState
 
 from homeassistant.components.cover import (
     ATTR_POSITION,
-    DEVICE_CLASS_AWNING,
     SUPPORT_CLOSE,
     SUPPORT_OPEN,
     SUPPORT_SET_POSITION,
     SUPPORT_STOP,
+    CoverDeviceClass,
 )
 
 from .generic_cover import COMMANDS_STOP, OverkizGenericCover
@@ -20,7 +20,7 @@ from .generic_cover import COMMANDS_STOP, OverkizGenericCover
 class Awning(OverkizGenericCover):
     """Representation of an Overkiz awning."""
 
-    _attr_device_class = DEVICE_CLASS_AWNING
+    _attr_device_class = CoverDeviceClass.AWNING
 
     @property
     def supported_features(self) -> int:
@@ -56,9 +56,8 @@ class Awning(OverkizGenericCover):
 
     async def async_set_cover_position(self, **kwargs: Any) -> None:
         """Move the cover to a specific position."""
-        position = kwargs.get(ATTR_POSITION, 0)
         await self.executor.async_execute_command(
-            OverkizCommand.SET_DEPLOYMENT, position
+            OverkizCommand.SET_DEPLOYMENT, kwargs[ATTR_POSITION]
         )
 
     async def async_open_cover(self, **kwargs: Any) -> None:
diff --git a/homeassistant/components/overkiz/cover_entities/generic_cover.py b/homeassistant/components/overkiz/cover_entities/generic_cover.py
index 60484620df1..c25cd1ab806 100644
--- a/homeassistant/components/overkiz/cover_entities/generic_cover.py
+++ b/homeassistant/components/overkiz/cover_entities/generic_cover.py
@@ -64,7 +64,7 @@ class OverkizGenericCover(OverkizEntity, CoverEntity):
         if command := self.executor.select_command(*COMMANDS_SET_TILT_POSITION):
             await self.executor.async_execute_command(
                 command,
-                100 - kwargs.get(ATTR_TILT_POSITION, 0),
+                100 - kwargs[ATTR_TILT_POSITION],
             )
 
     @property
diff --git a/homeassistant/components/overkiz/cover_entities/vertical_cover.py b/homeassistant/components/overkiz/cover_entities/vertical_cover.py
index 6e69f24f2f1..12354f41241 100644
--- a/homeassistant/components/overkiz/cover_entities/vertical_cover.py
+++ b/homeassistant/components/overkiz/cover_entities/vertical_cover.py
@@ -1,23 +1,17 @@
 """Support for Overkiz Vertical Covers."""
 from __future__ import annotations
 
-from typing import Any, Union, cast
+from typing import Any, cast
 
 from pyoverkiz.enums import OverkizCommand, OverkizState, UIClass, UIWidget
 
 from homeassistant.components.cover import (
     ATTR_POSITION,
-    DEVICE_CLASS_AWNING,
-    DEVICE_CLASS_BLIND,
-    DEVICE_CLASS_CURTAIN,
-    DEVICE_CLASS_GARAGE,
-    DEVICE_CLASS_GATE,
-    DEVICE_CLASS_SHUTTER,
-    DEVICE_CLASS_WINDOW,
     SUPPORT_CLOSE,
     SUPPORT_OPEN,
     SUPPORT_SET_POSITION,
     SUPPORT_STOP,
+    CoverDeviceClass,
 )
 
 from .generic_cover import COMMANDS_STOP, OverkizGenericCover
@@ -26,16 +20,16 @@ COMMANDS_OPEN = [OverkizCommand.OPEN, OverkizCommand.UP, OverkizCommand.CYCLE]
 COMMANDS_CLOSE = [OverkizCommand.CLOSE, OverkizCommand.DOWN, OverkizCommand.CYCLE]
 
 OVERKIZ_DEVICE_TO_DEVICE_CLASS = {
-    UIClass.CURTAIN: DEVICE_CLASS_CURTAIN,
-    UIClass.EXTERIOR_SCREEN: DEVICE_CLASS_BLIND,
-    UIClass.EXTERIOR_VENETIAN_BLIND: DEVICE_CLASS_BLIND,
-    UIClass.GARAGE_DOOR: DEVICE_CLASS_GARAGE,
-    UIClass.GATE: DEVICE_CLASS_GATE,
-    UIWidget.MY_FOX_SECURITY_CAMERA: DEVICE_CLASS_SHUTTER,
-    UIClass.PERGOLA: DEVICE_CLASS_AWNING,
-    UIClass.ROLLER_SHUTTER: DEVICE_CLASS_SHUTTER,
-    UIClass.SWINGING_SHUTTER: DEVICE_CLASS_SHUTTER,
-    UIClass.WINDOW: DEVICE_CLASS_WINDOW,
+    UIClass.CURTAIN: CoverDeviceClass.CURTAIN,
+    UIClass.EXTERIOR_SCREEN: CoverDeviceClass.BLIND,
+    UIClass.EXTERIOR_VENETIAN_BLIND: CoverDeviceClass.BLIND,
+    UIClass.GARAGE_DOOR: CoverDeviceClass.GARAGE,
+    UIClass.GATE: CoverDeviceClass.GATE,
+    UIWidget.MY_FOX_SECURITY_CAMERA: CoverDeviceClass.SHUTTER,
+    UIClass.PERGOLA: CoverDeviceClass.AWNING,
+    UIClass.ROLLER_SHUTTER: CoverDeviceClass.SHUTTER,
+    UIClass.SWINGING_SHUTTER: CoverDeviceClass.SHUTTER,
+    UIClass.WINDOW: CoverDeviceClass.WINDOW,
 }
 
 
@@ -69,7 +63,7 @@ class VerticalCover(OverkizGenericCover):
             (
                 OVERKIZ_DEVICE_TO_DEVICE_CLASS.get(self.device.widget)
                 or OVERKIZ_DEVICE_TO_DEVICE_CLASS.get(self.device.ui_class)
-                or DEVICE_CLASS_BLIND
+                or CoverDeviceClass.BLIND
             ),
         )
 
@@ -80,24 +74,20 @@ class VerticalCover(OverkizGenericCover):
 
         None is unknown, 0 is closed, 100 is fully open.
         """
-        position = cast(
-            Union[int, None],
-            self.executor.select_state(
-                OverkizState.CORE_CLOSURE,
-                OverkizState.CORE_CLOSURE_OR_ROCKER_POSITION,
-                OverkizState.CORE_PEDESTRIAN_POSITION,
-            ),
+        position = self.executor.select_state(
+            OverkizState.CORE_CLOSURE,
+            OverkizState.CORE_CLOSURE_OR_ROCKER_POSITION,
+            OverkizState.CORE_PEDESTRIAN_POSITION,
         )
 
-        # Uno devices can have a position not in 0 to 100 range when unknown
-        if position is None or position < 0 or position > 100:
+        if position is None:
             return None
 
-        return 100 - position
+        return 100 - cast(int, position)
 
     async def async_set_cover_position(self, **kwargs: Any) -> None:
         """Move the cover to a specific position."""
-        position = 100 - kwargs.get(ATTR_POSITION, 0)
+        position = 100 - kwargs[ATTR_POSITION]
         await self.executor.async_execute_command(OverkizCommand.SET_CLOSURE, position)
 
     async def async_open_cover(self, **kwargs: Any) -> None: