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Tuya ZWT198/ZWT100-BH in Home Assistant

Thermostats & TRV · Zigbee · Wall thermostat

Zigbee2MQTT Quirk included in ZHA 2 open reports

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
ZWT198/ZWT100-BH
Device type
Thermostats & TRV
Radio
Zigbee
Reports itself as
_TZE200_viy9ihs7, _TZE204_lzriup1j, _TZE204_xnbkhhdr, _TZE284_xnbkhhdr, _TZE204_oh8y8pv8, _TZE204_gops3slb, _TZE284_gops3slb, _TZE284_zjhoqbrd, _TZE204_zjhoqbrd
Also sold as
AVATTO WT-100-BH
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. Integration
  • official Tuya Zigbee gateway – paired with a Tuya Zigbee gateway and controlled through the Tuya cloud with the Tuya integration. Integration
  • add-on Zigbee2MQTT – Zigbee2MQTT runs as an add-on and passes the device on to Home Assistant over MQTT. Integration · Source

Known problems and fixes

Requests for ZHA support

  • support requested Someone asked ZHA to support this device or one of its functions. since April 11, 2026 · zha-device-handlers #4917
  • support requested Someone asked ZHA to support this device or one of its functions. since September 30, 2025 · zha-device-handlers #4361

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: Preset mode Local temperature calibration Child lock Floor temperature Sensor mode Open window detection Thermostat mode Regulator period Regulator set point Current +11

Source: zha-device-handlers · since zha-quirks 2.2.2
Signature: _TZE204_lzriup1j / TS0601

50 more quirks for this device

All quirks in the ZHA quirk database →

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.

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