# SONOFF TRV Gen2 TRV-ZBT

*SONOFF / TRV-ZBT*

> The SONOFF TRV Gen2 TRV-ZBT is a Zigbee radiator valve with an IPS colour display that rotates in four directions. It runs on two AA batteries, fits M30 x 1.5 mm valves and needs a Zigbee gateway. It suits HomeKit users through an integration (a Matter bridge). SmartThings and Home Assistant users reach it through an integration (Zigbee).

- Canonical page: https://smarthomecanon.com/devices/sonoff-trv-gen2-trv-zbt
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [SONOFF](https://smarthomecanon.com/brands/sonoff) |
| Category | Thermostat |
| Model numbers | TRV-ZBT |
| Status | Current[^1] |
| Type | Radiator valve[^1] |
| Power | 2 AA batteries[^1] |
| Protocol | Zigbee 3.0[^1] |
| Setting range | 5 to 30 C[^1] |

## Integration paths

**How the SONOFF TRV Gen2 TRV-ZBT 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 gateway[^1] | unknown | Native ZHA support is an unmerged pull request, so a SONOFF script is needed for full features[^1] |

**Platform support for the SONOFF TRV Gen2 TRV-ZBT**

| 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] | Zigbee2MQTT 2.12.1 or later, or ZHA with a script |
| Zigbee | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^1] |  |

## 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)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)

## Sources

[^1]: SONOFF TRV Gen2 Zigbee Thermostatic Radiator Valve | TRV-ZBT. https://sonoff.tech/products/sonoff-trv-gen2-zigbee-thermostatic-radiator-valve-trv-zbt (manufacturer, checked 2026-10-13)
[^2]: SONOFF Zigbee Bridge Ultra. https://sonoff.tech/products/sonoff-zigbee-bridge-ultra (manufacturer, checked 2026-10-13)