28mm to 30mm TRV Adaptor for OLD M28 Thermostatic Radiator Valve =M30 Head/SMART
Suitable for older, pre 1999 radiator Valves with the now Obsolete 28mm Ring-Screw fixing, plus 12mm Valve NECKPIN assembly, and this then Converts it to the Modern 2025 Standard 30mm/M30 Ring-Screw fitting.