SMART ADAPTOR for SCREW ON LONG 17mm PIN Radiator 28 Valve=30mm Thermostat Head
TRV/Thermostat Radiator ValveADAPTOR FOR OLDLONG 17mm PIN ONLY, (See photo 2.). ValvesFITS SMART HEADS ONLY. This is a tough Fibre-Composite Shatter proof Adaptor, not cheap brittle plastic like others.