diff --git a/homeassistant/components/overkiz/number.py b/homeassistant/components/overkiz/number.py
index c15a7bd3acc..b53dbb5db75 100644
--- a/homeassistant/components/overkiz/number.py
+++ b/homeassistant/components/overkiz/number.py
@@ -20,6 +20,7 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from . import HomeAssistantOverkizData
 from .const import DOMAIN, IGNORED_OVERKIZ_DEVICES
+from .coordinator import OverkizDataUpdateCoordinator
 from .entity import OverkizDescriptiveEntity
 
 BOOST_MODE_DURATION_DELAY = 1
@@ -37,6 +38,8 @@ class OverkizNumberDescriptionMixin:
 class OverkizNumberDescription(NumberEntityDescription, OverkizNumberDescriptionMixin):
     """Class to describe an Overkiz number."""
 
+    min_value_state_name: str | None = None
+    max_value_state_name: str | None = None
     inverted: bool = False
     set_native_value: Callable[
         [float, Callable[..., Awaitable[None]]], Awaitable[None]
@@ -94,6 +97,8 @@ NUMBER_DESCRIPTIONS: list[OverkizNumberDescription] = [
         command=OverkizCommand.SET_EXPECTED_NUMBER_OF_SHOWER,
         native_min_value=2,
         native_max_value=4,
+        min_value_state_name=OverkizState.CORE_MINIMAL_SHOWER_MANUAL_MODE,
+        max_value_state_name=OverkizState.CORE_MAXIMAL_SHOWER_MANUAL_MODE,
         entity_category=EntityCategory.CONFIG,
     ),
     # SomfyHeatingTemperatureInterface
@@ -200,6 +205,29 @@ class OverkizNumber(OverkizDescriptiveEntity, NumberEntity):
 
     entity_description: OverkizNumberDescription
 
+    def __init__(
+        self,
+        device_url: str,
+        coordinator: OverkizDataUpdateCoordinator,
+        description: OverkizNumberDescription,
+    ) -> None:
+        """Initialize a device."""
+        super().__init__(device_url, coordinator, description)
+
+        if self.entity_description.min_value_state_name and (
+            state := self.device.states.get(
+                self.entity_description.min_value_state_name
+            )
+        ):
+            self._attr_native_min_value = cast(float, state.value)
+
+        if self.entity_description.max_value_state_name and (
+            state := self.device.states.get(
+                self.entity_description.max_value_state_name
+            )
+        ):
+            self._attr_native_max_value = cast(float, state.value)
+
     @property
     def native_value(self) -> float | None:
         """Return the entity value to represent the entity state."""