HEAD Replacement For SIEMENS LONG PIN STACK 18mm Thermostatic Radiator Valve/TRV
Suitable for ALL older, 28mm pre 1999 radiators, with taller 18mm PINSTACK height. NO Plumbers required ! ( Save £50-£150 per Radiator. ). Very Easy to fit, just screw off and on by hand. (Full Easy Setup instructions are included.).