POTTERTON PROMAX / GOLD & BAXI DUOTEC / PLATINUM 24 28 33 HE GAS VALVE 5114734
By precisely managing the gas flow, it ensures the safe and efficient operation of the boiler. Fits Appliance(s) GC No. Promax Combi 33 HE Plus 47-590-03. Promax Combi 33 HE Plus A 47-393-23. Promax Combi 28 HE Plus 47-590-04.