# Zooz ZSE42 Water Leak XS Sensor

*Zooz / ZSE42, ZSE42 800LR*

> The ZSE42 Water Leak XS Sensor is a small Z-Wave water leak sensor. Z-Wave chip: 700 series (ZSE42), 800 series with Long Range (ZSE42 800LR). The 800LR revision supports Z-Wave Long Range. Zooz states compatibility with Home Assistant, Homey, Hubitat and SmartThings. It suits SmartThings users, with native support through Z-Wave. Home Assistant users reach it through an integration (Z-Wave).

- Canonical page: https://smarthomecanon.com/devices/zooz-zse42-water-leak-xs-sensor
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Zooz](https://smarthomecanon.com/brands/zooz) |
| Category | Leak sensor |
| Model numbers | ZSE42, ZSE42 800LR |
| Status | Current[^1] |
| Type | Water leak sensor[^2] |
| Z-Wave chip | 700 series (ZSE42), 800 series with Long Range (ZSE42 800LR)[^2][^3][^4] |
| Long Range | 800LR revision[^2][^3] |
| Power | 1 CR2450 battery (800LR), 1 CR2032 battery (700 series)[^3] |
| Range | 400 ft line of sight, 1,300 ft with Long Range on the 800LR[^3] |
| Installation | 800LR: indoor or outdoor under an eave, IP66. 700 series: indoor only[^2][^3] |
| Hubs | Home Assistant, Homey, Hubitat, SmartThings[^5] |
| Released | unknown |

## Integration paths

**How the Zooz ZSE42 Water Leak XS Sensor connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Z-Wave](https://smarthomecanon.com/protocols/zwave) | Z-Wave hub or controller[^5] | unknown | unknown |

**Platform support for the Zooz ZSE42 Water Leak XS Sensor**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Z-Wave | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Via integration[^5] | Z-Wave JS |
| Z-Wave | [Homey](https://smarthomecanon.com/platforms/homey) | Via integration[^5] | Zooz app for Homey |
| Z-Wave | [Hubitat Elevation](https://smarthomecanon.com/platforms/hubitat) | Native[^5] |  |
| Z-Wave | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Native[^5] |  |

## Related pages

- [Zooz sensors, sirens and water control](https://smarthomecanon.com/lines/zooz-sensors-sirens-and-water-control) (line)
- [Zooz](https://smarthomecanon.com/brands/zooz) (brand)
- [Z-Wave](https://smarthomecanon.com/protocols/zwave) (protocol)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)
- [Hubitat Elevation](https://smarthomecanon.com/platforms/hubitat) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)

## Sources

[^1]: Zooz: product portfolio. https://www.getzooz.com/products/ (manufacturer, checked 2026-10-13)
[^2]: Zooz: ZSE42 Water Leak XS Sensor (product page). https://www.getzooz.com/zooz-zse42-water-leak-xs-sensor/ (manufacturer, checked 2026-10-13)
[^3]: Zooz Support Center: ZSE42 Water Leak XS Sensor specs. https://www.support.getzooz.com/kb/article/982-zse42-water-leak-xs-sensor-specs/ (manufacturer, checked 2026-10-13)
[^4]: Zooz Support Center: ZSE42 700 series and ZSE42 800LR differences. https://www.support.getzooz.com/kb/article/1630-what-s-the-difference-between-the-zse42-700-series-and-the-zse42-800lr-800-series/ (manufacturer, checked 2026-10-13)
[^5]: Zooz Support Center: ZSE42 Water Leak XS Sensor compatible hubs. https://www.support.getzooz.com/kb/article/991-zse42-water-leak-xs-sensor-compatible-hubs/ (manufacturer, checked 2026-10-13)