# Eve Water Guard

*Eve / 20EBZ8701, 10EBZ8701*

> Water Guard is a mains-powered leak detector with a 200 cm sensor cable and a 100 dB alarm. It uses Bluetooth and Thread with HomeKit. Eve says Matter is coming in a future software update. It suits HomeKit and Home Assistant users, with native support through Bluetooth.

- Canonical page: https://smarthomecanon.com/devices/eve-water-guard
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Eve](https://smarthomecanon.com/brands/eve) |
| Category | Leak sensor |
| Model numbers | 20EBZ8701, 10EBZ8701 |
| Status | Current[^1] |
| Type | Leak detector[^2] |
| Radio | Bluetooth and Thread[^2] |
| Matter | Matter planned in a future software update[^2] |
| Power | Mains plug adapter, 100-240 V[^2] |
| Thread role | Router-capable (mains-powered)[^2] |
| Region | Global[^2] |
| Released | 2022[^3] |

## Integration paths

**How the Eve Water Guard connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [BLE](https://smarthomecanon.com/protocols/ble) | iPhone or iPad, HomePod (2nd gen), HomePod mini or Apple TV 4K as home hub for remote access and Thread[^2] | unknown | unknown |

**Platform support for the Eve Water Guard**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| BLE | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^2] |  |
| BLE | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | homekit_controller |

## Releases

**Eve Water Guard release events**

| Date | Event | Detail |
| --- | --- | --- |
| 2022[^3] | Released |  |

## Related pages

- [Eve sensors](https://smarthomecanon.com/lines/eve-sensors) (line)
- [Eve](https://smarthomecanon.com/brands/eve) (brand)
- [Bluetooth Low Energy](https://smarthomecanon.com/protocols/ble) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)

## Sources

[^1]: Eve Store (US): product list. https://www.evehome.com/en-us/store (manufacturer, checked 2026-10-20)
[^2]: Eve: Eve Water Guard. https://www.evehome.com/en-us/eve-water-guard (manufacturer, checked 2026-10-20)
[^3]: Eve: identify your accessory (product and model numbers). https://www.evehome.com/en-us/identify-your-eve-accessory (manufacturer, checked 2026-10-13)