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RTX ZB-RT1 in Home Assistant

Thermostats & TRV · Zigbee · Thermostatic radiator valve

Zigbee2MQTT Quirk included in ZHA 1 open report

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
RTX
Model
ZB-RT1
Device type
Thermostats & TRV
Radio
Zigbee
Power
Battery
Same device as
Saswell SEA801-Zigbee/SEA802-Zigbee
Also sold as
Hama 00176592, HiHome WZB-TRVL, Maginon WT-1, Nous H1Z, Royal Thermo RTE 77.001B, SETTI+ TRV001
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
  • 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

Open problems

  • open A report that a TS0601 device (_TZE200_c88teujp) has frequent errors and delayed communication in ZHA, making it unreliable for use. since October 25, 2025 · zha-device-handlers #4429

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 2.4.0
Signature: _TZE284_0dvm9mva / TS0601

109 more quirks for this device

All quirks in the ZHA quirk database →

Alternatives

The same job from other makers – devices of the same type and radio that work with Home Assistant too.

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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