Tuya TRV603-WZ in Home Assistant
Thermostats & TRV · Zigbee · Thermostatic radiator valve.
This device is known to both Zigbee integrations: Zigbee2MQTT has a definition for it, and ZHA has a quirk that adapts it.
Facts about this device
- Brand
- Tuya
- Model
- TRV603-WZ
- Device type
- Thermostats & TRV
- Radio
- Zigbee
- Power
- Battery
- Reports itself as
- _TZE284_ymldrmzx
- Zigbee2MQTT
- Device page on zigbee2mqtt.io
How the device gets into Home Assistant
- official ZHA – with a Zigbee coordinator and the ZHA integration; the quirk the device needs is part of ZHA.
- official Tuya Zigbee gateway – paired with a Tuya Zigbee gateway and controlled through the Tuya cloud with the Tuya integration.
- add-on Zigbee2MQTT – Zigbee2MQTT runs as an add-on and passes the device on to Home Assistant over MQTT.
ZHA quirks for this device
Quirk included in ZHA Recommended quirk
Part of ZHA – Home Assistant uses it on its own, nothing to install.
Adds: Open window detection Frost protection Local temperature calibration Child lock Valve position Battery low Away mode Schedule enable Scale protection Window open +20
Source:
zha-device-handlers · since zha-quirks 2.2.2
Signature: _TZE284_ymldrmzx / TS0601
3 more quirks for this device
-
Quirk proposed, not merged yet
_TZE284_ymldrmzx/TS0601zha-device-handlers · pull request #4704 · by @malko · January 30, 2026 -
Quirk proposed, not merged yet
_TZE284_ymldrmzx/TS0601zha-device-handlers · pull request #4573 · by @Jaylouisw · December 14, 2025 -
Quirk proposed, not merged yet
_TZE284_ymldrmzx/TS0601zha-device-handlers · pull request #4145 · by @TheJulianJES · June 24, 2025
Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.
