diff --git a/homeassistant/components/plugwise/number.py b/homeassistant/components/plugwise/number.py
index 102d94f91b7564..5979480d90f3a2 100644
--- a/homeassistant/components/plugwise/number.py
+++ b/homeassistant/components/plugwise/number.py
@@ -48,6 +48,14 @@ class PlugwiseNumberEntityDescription(
         entity_category=EntityCategory.CONFIG,
         native_unit_of_measurement=UnitOfTemperature.CELSIUS,
     ),
+    PlugwiseNumberEntityDescription(
+        key="max_dhw_temperature",
+        translation_key="max_dhw_temperature",
+        command=lambda api, number, value: api.set_number_setpoint(number, value),
+        device_class=NumberDeviceClass.TEMPERATURE,
+        entity_category=EntityCategory.CONFIG,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+    ),
 )
 
 
@@ -89,7 +97,6 @@ def __init__(
         self.entity_description = description
         self._attr_unique_id = f"{device_id}-{description.key}"
         self._attr_mode = NumberMode.BOX
-
         self._attr_native_max_value = self.device[description.key]["upper_bound"]
         self._attr_native_min_value = self.device[description.key]["lower_bound"]
         self._attr_native_step = max(self.device[description.key]["resolution"], 0.5)
diff --git a/homeassistant/components/plugwise/strings.json b/homeassistant/components/plugwise/strings.json
index e1b5b5c40535d8..5210f8a6dc0b2e 100644
--- a/homeassistant/components/plugwise/strings.json
+++ b/homeassistant/components/plugwise/strings.json
@@ -76,6 +76,9 @@
     "number": {
       "maximum_boiler_temperature": {
         "name": "Maximum boiler temperature setpoint"
+      },
+      "max_dhw_temperature": {
+        "name": "Domestic hot water setpoint"
       }
     },
     "select": {
diff --git a/tests/components/plugwise/test_number.py b/tests/components/plugwise/test_number.py
index da31b8038c8545..9ca64e104d3133 100644
--- a/tests/components/plugwise/test_number.py
+++ b/tests/components/plugwise/test_number.py
@@ -40,3 +40,32 @@ async def test_anna_max_boiler_temp_change(
     mock_smile_anna.set_number_setpoint.assert_called_with(
         "maximum_boiler_temperature", 65.0
     )
+
+
+async def test_adam_number_entities(
+    hass: HomeAssistant, mock_smile_adam_2: MagicMock, init_integration: MockConfigEntry
+) -> None:
+    """Test creation of a number."""
+    state = hass.states.get("number.opentherm_domestic_hot_water_setpoint")
+    assert state
+    assert float(state.state) == 60.0
+
+
+async def test_adam_dhw_setpoint_change(
+    hass: HomeAssistant, mock_smile_adam_2: MagicMock, init_integration: MockConfigEntry
+) -> None:
+    """Test changing of number entities."""
+    await hass.services.async_call(
+        NUMBER_DOMAIN,
+        SERVICE_SET_VALUE,
+        {
+            ATTR_ENTITY_ID: "number.opentherm_domestic_hot_water_setpoint",
+            ATTR_VALUE: 55,
+        },
+        blocking=True,
+    )
+
+    assert mock_smile_adam_2.set_number_setpoint.call_count == 1
+    mock_smile_adam_2.set_number_setpoint.assert_called_with(
+        "max_dhw_temperature", 55.0
+    )