diff --git a/homeassistant/components/smarttub/sensor.py b/homeassistant/components/smarttub/sensor.py
index 54921596fb2..4619d07dbe0 100644
--- a/homeassistant/components/smarttub/sensor.py
+++ b/homeassistant/components/smarttub/sensor.py
@@ -27,6 +27,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
                     controller.coordinator, spa, "Flow Switch", "flow_switch"
                 ),
                 SmartTubSensor(controller.coordinator, spa, "Ozone", "ozone"),
+                SmartTubSensor(controller.coordinator, spa, "UV", "uv"),
                 SmartTubSensor(
                     controller.coordinator, spa, "Blowout Cycle", "blowout_cycle"
                 ),
diff --git a/tests/components/smarttub/test_sensor.py b/tests/components/smarttub/test_sensor.py
index 7ef3062894a..5b0163daf26 100644
--- a/tests/components/smarttub/test_sensor.py
+++ b/tests/components/smarttub/test_sensor.py
@@ -27,6 +27,11 @@ async def test_sensors(spa, setup_entry, hass):
     assert state is not None
     assert state.state == "off"
 
+    entity_id = f"sensor.{spa.brand}_{spa.model}_uv"
+    state = hass.states.get(entity_id)
+    assert state is not None
+    assert state.state == "off"
+
     entity_id = f"sensor.{spa.brand}_{spa.model}_blowout_cycle"
     state = hass.states.get(entity_id)
     assert state is not None