SMART ADAPTOR for SCREW ON SMALL 12mm PIN Radiator 28 Valve=30mm Thermostat Head
TRV/Thermostat Radiator ValveADAPTOR FOR OLDSMALL 12mm PIN ONLY, (See photo 2.). ValvesFITS SMART HEADS ONLY. This is a tough Fibre-Composite Shatter proof Adaptor, not cheap brittle plastic like others.