Add matching class for number

homeassistant/components/number/const.py

@@ -34,6 +34,7 @@ from homeassistant.const import (
     UnitOfTemperature,
     UnitOfTime,
     UnitOfVolume,
+    UnitOfVolumeFlowRate,
     UnitOfVolumetricFlux,
 )
 from homeassistant.helpers.deprecation import (
@@ -42,7 +43,11 @@ from homeassistant.helpers.deprecation import (
     check_if_deprecated_constant,
     dir_with_deprecated_constants,
 )
-from homeassistant.util.unit_conversion import BaseUnitConverter, TemperatureConverter
+from homeassistant.util.unit_conversion import (
+    BaseUnitConverter,
+    TemperatureConverter,
+    VolumeFlowRateConverter,
+)
 
 ATTR_VALUE = "value"
 ATTR_MIN = "min"
@@ -372,6 +377,14 @@ class NumberDeviceClass(StrEnum):
     USCS/imperial units are currently assumed to be US volumes)
     """
 
+    VOLUME_FLOW_RATE = "volume_flow_rate"
+    """Generic flow rate
+
+    Unit of measurement: UnitOfVolumeFlowRate
+    - SI / metric: `m³/h`, `L/min`
+    - USCS / imperial: `ft³/min`, `gal/min`
+    """
+
     WATER = "water"
     """Water.
 
@@ -464,6 +477,7 @@ DEVICE_CLASS_UNITS: dict[NumberDeviceClass, set[type[StrEnum] | str | None]] = {
     NumberDeviceClass.VOLTAGE: set(UnitOfElectricPotential),
     NumberDeviceClass.VOLUME: set(UnitOfVolume),
     NumberDeviceClass.VOLUME_STORAGE: set(UnitOfVolume),
+    NumberDeviceClass.VOLUME_FLOW_RATE: set(UnitOfVolumeFlowRate),
     NumberDeviceClass.WATER: {
         UnitOfVolume.CENTUM_CUBIC_FEET,
         UnitOfVolume.CUBIC_FEET,
@@ -477,6 +491,7 @@ DEVICE_CLASS_UNITS: dict[NumberDeviceClass, set[type[StrEnum] | str | None]] = {
 
 UNIT_CONVERTERS: dict[str, type[BaseUnitConverter]] = {
     NumberDeviceClass.TEMPERATURE: TemperatureConverter,
+    NumberDeviceClass.VOLUME_FLOW_RATE: VolumeFlowRateConverter,
 }
 
 # These can be removed if no deprecated constant are in this module anymore

homeassistant/components/number/strings.json

@@ -148,6 +148,9 @@
     "volume_storage": {
       "name": "[%key:component::sensor::entity_component::volume_storage::name%]"
     },
+    "volume_flow_rate": {
+      "name": "[%key:component::sensor::entity_component::volume_flow_rate::name%]"
+    },
     "water": {
       "name": "[%key:component::sensor::entity_component::water::name%]"
     },