diff --git a/roborock/data/v1/v1_clean_modes.py b/roborock/data/v1/v1_clean_modes.py
index 0b1e6f27..f4b12c08 100644
--- a/roborock/data/v1/v1_clean_modes.py
+++ b/roborock/data/v1/v1_clean_modes.py
@@ -57,9 +57,10 @@ class WaterModes(RoborockModeEnum):
     SMART_MODE = ("smart_mode", 209)
     PURE_WATER_FLOW_START = ("slight", 221)
     PURE_WATER_FLOW_SMALL = ("low", 225)
+    PURE_WATER_FLOW_GENTLE = ("gentle", 230)
     PURE_WATER_FLOW_MIDDLE = ("medium", 235)
-    PURE_WATER_FLOW_LARGE = ("moderate", 245)
-    PURE_WATER_SUPER_BEGIN = ("high", 248)
+    PURE_WATER_FLOW_LARGE = ("moderate", 240)
+    PURE_WATER_SUPER_BEGIN = ("high", 245)
     PURE_WATER_FLOW_END = ("extreme", 250)
 
 
@@ -91,12 +92,25 @@ class CleaningMode(StrEnum):
     200: WaterModes.OFF,
     221: WaterModes.PURE_WATER_FLOW_START,
     225: WaterModes.PURE_WATER_FLOW_SMALL,
+    230: WaterModes.PURE_WATER_FLOW_GENTLE,
     235: WaterModes.PURE_WATER_FLOW_MIDDLE,
-    245: WaterModes.PURE_WATER_FLOW_LARGE,
-    248: WaterModes.PURE_WATER_SUPER_BEGIN,
+    240: WaterModes.PURE_WATER_FLOW_LARGE,
+    245: WaterModes.PURE_WATER_SUPER_BEGIN,
     250: WaterModes.PURE_WATER_FLOW_END,
 }
 
+# Water slide devices report the raw slider position (1-30) as 220 + position.
+# The app groups positions into named ranges, keyed here by their last position.
+_WATER_SLIDE_RANGES: tuple[tuple[int, WaterModes], ...] = (
+    (3, WaterModes.PURE_WATER_FLOW_START),
+    (7, WaterModes.PURE_WATER_FLOW_SMALL),
+    (12, WaterModes.PURE_WATER_FLOW_GENTLE),
+    (17, WaterModes.PURE_WATER_FLOW_MIDDLE),
+    (22, WaterModes.PURE_WATER_FLOW_LARGE),
+    (27, WaterModes.PURE_WATER_SUPER_BEGIN),
+    (30, WaterModes.PURE_WATER_FLOW_END),
+)
+
 ModeEnumT = TypeVar("ModeEnumT", bound=RoborockModeEnum)
 
 
@@ -183,6 +197,19 @@ def get_water_modes(features: DeviceFeatures) -> list[WaterModes]:
     return supported_modes
 
 
+def get_water_slide_mode_name(code: int) -> str | None:
+    """Get the app's range name for a water slide code, or None if out of range."""
+    if code == 200:
+        return WaterModes.OFF.value
+    position = code - 220
+    if position < 1:
+        return None
+    for last_position, mode in _WATER_SLIDE_RANGES:
+        if position <= last_position:
+            return mode.value
+    return None
+
+
 def get_water_mode_mapping(features: DeviceFeatures) -> dict[int, str]:
     """Get water mode mapping by supported feature set.
 
diff --git a/roborock/devices/traits/v1/status.py b/roborock/devices/traits/v1/status.py
index fa83f603..0ba1fb22 100644
--- a/roborock/devices/traits/v1/status.py
+++ b/roborock/devices/traits/v1/status.py
@@ -15,6 +15,7 @@
     get_current_cleaning_mode,
     get_water_mode_mapping,
     get_water_modes,
+    get_water_slide_mode_name,
     resolve_cleaning_mode,
 )
 from roborock.devices.traits.common import DpsDataConverter, TraitUpdateListener
@@ -103,6 +104,8 @@ def fan_speed_name(self) -> str | None:
     def water_mode_name(self) -> str | None:
         if self.water_box_mode is None:
             return None
+        if self._device_features_trait.is_water_slide_mode_supported:
+            return get_water_slide_mode_name(self.water_box_mode)
         return self.water_mode_mapping.get(self.water_box_mode)
 
     @property
diff --git a/tests/devices/traits/v1/test_status.py b/tests/devices/traits/v1/test_status.py
index 32c82524..30d1fb72 100644
--- a/tests/devices/traits/v1/test_status.py
+++ b/tests/devices/traits/v1/test_status.py
@@ -586,15 +586,17 @@ def test_water_slide_mode_mapping() -> None:
         200: "off",
         221: "slight",
         225: "low",
+        230: "gentle",
         235: "medium",
-        245: "moderate",
-        248: "high",
+        240: "moderate",
+        245: "high",
         250: "extreme",
     }
     assert [mode.value for mode in status_trait.water_mode_options] == [
         "off",
         "slight",
         "low",
+        "gentle",
         "medium",
         "moderate",
         "high",
@@ -607,6 +609,38 @@ def test_water_slide_mode_mapping() -> None:
     assert status_trait.water_mode_name == "off"
 
 
+@pytest.mark.parametrize(
+    ("water_box_mode", "expected_name"),
+    [
+        (200, "off"),
+        (221, "slight"),
+        (223, "slight"),
+        (224, "low"),
+        (227, "low"),
+        (228, "gentle"),
+        (232, "gentle"),
+        (233, "medium"),
+        (236, "medium"),
+        (237, "medium"),
+        (238, "moderate"),
+        (242, "moderate"),
+        (243, "high"),
+        (247, "high"),
+        (248, "extreme"),
+        (250, "extreme"),
+        (220, None),
+        (251, None),
+        (999, None),
+    ],
+)
+def test_water_slide_mode_name_covers_slider_positions(water_box_mode: int, expected_name: str | None) -> None:
+    """Every slider position resolves to the label of its range in the Roborock app."""
+    status_trait = _create_cleaning_mode_status_trait(is_water_slide_mode_supported=True)
+    status_trait.water_box_mode = water_box_mode
+
+    assert status_trait.water_mode_name == expected_name
+
+
 def test_update_from_dps(status_trait: StatusTrait) -> None:
     """Test updating status from data protocol push message."""
     assert status_trait.battery is None