Please check that your radiator is equipped with a Thermostatic Valve. It is easy to determine. When you currently have a manual Thermostatic Radiator Valve (TRV), you can use the Hihome Smart TRV in 90% of all cases. When you have a simple manual ON/OFF valve, you can not use a TRV.

The Hihome Smart Radiator Thermostat is based on the widely used M30x1.5 threads. You can replace existing TRV's of the following brands without the need of any adaptor:

Most radiator valves different from M30x1.5, can be installed using one of the 4 adapters as supplied in the box.

For Thermostat Valves of Giacomini and Roca, an Adapter (Type 1) is included in the box.

For Thermostat Valves of Danfoss model RAV and RAC-N, an Adapter (Type 2) is included in the box.

For Thermostat Valves of Oventrop model UniXD, Danfoss RA-A,B,C and FAR, an Adapter (Type 3) is included in the box.

For Thermostat Valves of Caleffi and Emmeti, an Adapter (Type 4) is included in the box.

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