Compatible with the ZigBee wireless standard uses the 3.0 home automation profile as a HVAC compatible heating thermostat. Depending on the mode, the head can be used as a heating thermostat or act as a pure actuator when the control is deactivated.
TRV or thermostatic radiator valve, allows regulating and/or closing the water flow to keep the room at a controlled temperature by operating on the inlet flow to the radiator. It has a temperature probe and behaves like a thermostat for hot water.