# SONOFF TRVZB

*SONOFF / TRVZB*

> The TRVZB is a Zigbee 3.0 radiator valve that runs on three AA batteries and fits M30 x 1.5 mm valves. SONOFF lists it for Alexa and Google Assistant voice control, Home Assistant, ioBroker and Zigbee 3.0 hubs. It suits HomeKit users through an integration (a Matter bridge). Google Home, Alexa and Home Assistant users reach it through an integration (Zigbee).

- Canonical page: https://smarthomecanon.com/devices/sonoff-trvzb
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [SONOFF](https://smarthomecanon.com/brands/sonoff) |
| Category | Thermostat |
| Model numbers | TRVZB |
| Status | Current[^1] |
| Type | Radiator valve[^1] |
| Power | 3 AA batteries[^1] |
| Protocol | Zigbee 3.0[^1] |
| Setting range | 4 to 35 C[^1] |

## Integration paths

**How the SONOFF TRVZB connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter via Bridge](https://smarthomecanon.com/protocols/matter-bridged) | A SONOFF Matter bridge, such as the Zigbee Bridge Ultra[^2] | unknown | unknown |
| [Zigbee](https://smarthomecanon.com/protocols/zigbee) | A Zigbee 3.0 hub or gateway[^1] | unknown | unknown |

**Platform support for the SONOFF TRVZB**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter via Bridge | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Via integration[^2] |  |
| Zigbee | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Via integration[^1] |  |
| Zigbee | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^1] |  |
| Zigbee | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^1] |  |
| Zigbee | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | se.styrahem.sonoff.zigbee |

## Related pages

- [SONOFF thermostats and radiator valves](https://smarthomecanon.com/lines/sonoff-thermostats-and-trvs) (line)
- [SONOFF](https://smarthomecanon.com/brands/sonoff) (brand)
- [Matter through a bridge](https://smarthomecanon.com/protocols/matter-bridged) (protocol)
- [Zigbee](https://smarthomecanon.com/protocols/zigbee) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: SONOFF Zigbee Thermostatic Radiator Valve | TRVZB. https://sonoff.tech/products/sonoff-zigbee-thermostatic-radiator-valve (manufacturer, checked 2026-10-13)
[^2]: SONOFF Zigbee Bridge Ultra. https://sonoff.tech/products/sonoff-zigbee-bridge-ultra (manufacturer, checked 2026-10-13)