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Thermostatic radiator valves ensure smooth and precise temperature control of radiators. The valves are connected to the radiator valve using a standardized thread, usually an M30x1.5 mm thread. However, not all manufacturers use the same thread and the external dimensions and shapes of the valves can therefore vary, so an adapter may be needed to install thermostatic heads to the valve. The most common manufacturers with a different thread than M30x1.5 mm are Danfoss, Giacomini, Herz, Myjava, Comap, and Coterm. Some manufacturers even produce several types of valves such as Danfoss and Giacomini. Choosing the right adapter ensures the correct functioning of the system, otherwise, it will not be possible to install the valve, or it will not be possible to open/close it with the head. The installation of the adapter is as simple and quick as the installation of the head itself.
Straight radiator valve with M30x1.5 mm thread
If your radiators do not have an M30x1.5 mm thread valve, you will need to use one of the adapters, which allow you to install a valve head with an M30x1.5 mm connection onto the radiator. Choose the right adapter based on the photos of the valves below.
Danfoss Radiator Valve (RA-N, DA) Adapter for Danfoss RA Radiator Valves
Integrated radiator valve Danfoss RA (013G7360) Adapter for Danfoss RA Radiator Valves
Danfoss RTD Radiator Valve Adapter for Danfoss RTD Radiator Valves
Herz Radiator Valve Adapter for Herz Radiator Valves
Giacomini R4xx (TG) Radiator Valve Adapter for Giacomini Radiator Valves
Giacomini R401Pxx Radiator Valve Adapter for Giacomini Radiator Valves
Comap Radiator Valve Adapter for Herz Radiator Valves
Coterm Radiator Valve Adapter for Coterm Radiator Valves
Myjava Radiator Valve Adapter for Myjava Radiator Valves