Zooz
Zooz ZSE42 water leak sensor
Sensors · Security
Partly worksApple Home issuesLocal
4 reports: 4 say it partly works.
Reported with 2 integrations: Z-Wave, Battery Notes.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Z-Wave | Partly works Local | Partly in Home Home app battery status wrong with extra battery entities | Newer firmware exposes extra battery entities; wrong one usedSaved copy… Integration: HomeKit (documentation, issues) > First occurred: 7:59:51 AM (4 occurrences) > Last logged: 7:59:51 AM > > cover.dining_room_window: Battery sensor state missing: sensor.small_dining_room_window_recharge_or_replace > cover.laundry_room_window: Battery sensor state missing: sensor.laundry_room_window_recharge_or_replace > cover.family_room_window: Battery sensor state missing: sensor.family_room_window_recharge_or_replace > cover.bay_window: Battery sensor state missing: sensor.large_dining_room_window_recharge_or_replace Note I had to patch HA to get the actual sensor ID to log: … Excerpt saved from GitHub on 2026-10-23. | Issue #81861 · 2022-11 |
| Z-Wave | Partly works Local | Partly in Home Battery status missing or wrong in Home app after extra battery entities | Newer firmware exposes extra battery entities, wrong one pickedSaved copy… Integration: HomeKit (documentation, issues) > First occurred: 7:59:51 AM (4 occurrences) > Last logged: 7:59:51 AM > > cover.dining_room_window: Battery sensor state missing: sensor.small_dining_room_window_recharge_or_replace > cover.laundry_room_window: Battery sensor state missing: sensor.laundry_room_window_recharge_or_replace > cover.family_room_window: Battery sensor state missing: sensor.family_room_window_recharge_or_replace > cover.bay_window: Battery sensor state missing: sensor.large_dining_room_window_recharge_or_replace Note I had to patch HA to get the actual sensor ID to log: … Excerpt saved from GitHub on 2026-10-23. | Issue #81861 · 2022-11 |
| Z-Wave | Partly works Local | Partly in Home Wrong battery entity picked on firmware 1.40 | Newer firmware exposes extra battery statsSaved copy… Integration: HomeKit (documentation, issues) > First occurred: 7:59:51 AM (4 occurrences) > Last logged: 7:59:51 AM > > cover.dining_room_window: Battery sensor state missing: sensor.small_dining_room_window_recharge_or_replace > cover.laundry_room_window: Battery sensor state missing: sensor.laundry_room_window_recharge_or_replace > cover.family_room_window: Battery sensor state missing: sensor.family_room_window_recharge_or_replace > cover.bay_window: Battery sensor state missing: sensor.large_dining_room_window_recharge_or_replace Note I had to patch HA to get the actual sensor ID to log: … Excerpt saved from GitHub on 2026-10-23. | Issue #81861 · 2022-11 |
| Battery Notes | Partly works Local | Battery differs by hardware revision; set to manualSaved copyWhile setting up BN for the first time with my Zooz water leak sensors (ZSE42), I remembered that Zooz changed the battery for this device when updating the hardware from the 700 to 800 series z-wave chip. This coincides with a firmware version bump: all v1.xx firmware is for the 700 series which uses the old battery (CR2032), while v2.xx firmware is for the newer 800 series with a different battery (CR2450). This is called out explicitly in the ZSE42 firmware changelog. My first thought was to add a new entry in the json library. However the device name in HA is still "ZSE42", so per the FAQ … Excerpt saved from GitHub on 2026-10-23. | Discussion #1899 · 2024-07 |
Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.
In ReReHome
Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.
Identifiers
| Brand | Zooz |
|---|---|
| Model | ZSE42 |
| Category | Sensors |
Also reported as
- Zooz ZSE42 leak sensor
- Zooz water leak sensor