
Sonoff TRV
Thermostatic valve for smart radiator control.
The Avatto ME81H is a smart Zigbee thermostat designed for electric and water underfloor heating systems. With its LCD touchscreen, it measures both room and floor temperature, delivering precise (±1 °C) control within a 5–90 °C range. Through Zigbee connectivity, the thermostat joins your smart home system (Zigbee gateway and app), enabling remote control, schedules, scenes, as well as a child lock and anti-freeze protection. It fits apartments, offices, hotels, and commercial spaces.

Underfloor heating control — Works with electric and water underfloor heating, as well as boiler systems.
Room and floor temperature sensing — Built-in and external sensors for optimal temperature control.
LCD touchscreen — Intuitive interface with control from 5–90 °C at ±1 °C accuracy.
Zigbee connectivity — Remote control, schedules, and scenes from the app via a Zigbee gateway.
Child lock and anti-freeze protection — Safe and energy-efficient operation.