diff --git a/homeassistant/components/vicare/number.py b/homeassistant/components/vicare/number.py
index c0564170274..25ecf414ffa 100644
--- a/homeassistant/components/vicare/number.py
+++ b/homeassistant/components/vicare/number.py
@@ -63,9 +63,20 @@ DEVICE_ENTITY_DESCRIPTIONS: tuple[ViCareNumberEntityDescription, ...] = (
         native_max_value=60,
         native_step=1,
     ),
+    ViCareNumberEntityDescription(
+        key="dhw_hysteresis",
+        translation_key="dhw_hysteresis",
+        entity_category=EntityCategory.CONFIG,
+        device_class=NumberDeviceClass.TEMPERATURE,
+        native_unit_of_measurement=UnitOfTemperature.KELVIN,
+        value_getter=lambda api: api.getDomesticHotWaterHysteresis(),
+        value_setter=lambda api, value: api.setDomesticHotWaterHysteresis(value),
+        min_value_getter=lambda api: api.getDomesticHotWaterHysteresisMin(),
+        max_value_getter=lambda api: api.getDomesticHotWaterHysteresisMax(),
+        stepping_getter=lambda api: api.getDomesticHotWaterHysteresisStepping(),
+    ),
 )
 
-
 CIRCUIT_ENTITY_DESCRIPTIONS: tuple[ViCareNumberEntityDescription, ...] = (
     ViCareNumberEntityDescription(
         key="heating curve shift",
diff --git a/homeassistant/components/vicare/strings.json b/homeassistant/components/vicare/strings.json
index 0452a560cb8..d8a657424bf 100644
--- a/homeassistant/components/vicare/strings.json
+++ b/homeassistant/components/vicare/strings.json
@@ -107,6 +107,9 @@
       },
       "dhw_secondary_temperature": {
         "name": "DHW secondary temperature"
+      },
+      "dhw_hysteresis": {
+        "name": "DHW hysteresis"
       }
     },
     "sensor": {