* Boiler spare parts must be fitted by a certified Gas Safe engineer * Orders received before 4pm ...* Boiler spare parts must be fitted by a certified Gas Safe engineer * Orders received before 4pm are usually dispatched for next business day delivery Worcester Bosch Worcester 87155058250 Membrane Kit (4 Pieces) The Worcester Bosch membrane kit is based around the diverter valve section. The diverter valve is a mechanism that only appears in combi boilers. It allows the hot water to be sent to the heating system (radiators) or to the domestic hot water system (taps). This is what separates a normal boiler from a combi boiler due to the fact that the boiler can provide hot water and heating without the need for a cylinder. Worcester Bosch Membrane. Genuine Part *NEW* Worcester Bosch Spare Part GC No. H04-638. This part also fits the following: WORCESTER GREENSTAR...
* Boiler spare parts must be fitted by a certified Gas Safe engineer * Orders received before 4pm are usually dispatched for next business day delivery Worcester Bosch Worcester 87155058250 Membrane Kit (4 Pieces) The Worcester Bosch membrane kit is based around the diverter valve section. The diverter valve is a mechanism that only appears in combi boilers. It allows the hot water to be sent to the heating system (radiators) or to the domestic hot water system (taps). This is what separates a normal boiler from a combi boiler due to the fact that the boiler can provide hot water and heating without the need for a cylinder. Worcester Bosch Membrane. Genuine Part *NEW* Worcester Bosch Spare Part GC No. H04-638. This part also fits the following: WORCESTER GREENSTAR...