The diverter valve is a part that only appears in combi boilers. It allows the hot water to be directed to the heating system (radiators, etc.) or to the hot water system (taps, etc.). This feature is one of the reasons combi boilers are so popular in the
Fits a Number of Vaillant Appliances
Technical specification
Product TypeDiaphragmTypeDiaphragmsToilet Cistern CapacityFTW--Supplier Part Number10347Brand NameVaillant