The diverter valve is a part that only appears in combi boilers. It allows the hot water to be directed to the central heating system (radiators, etc.) or to the domestic hot water system (taps, etc.). This feature is one of the reasons combi boilers are
Fits a Number of Appliances
Technical specification
Type3-Port Valve BodyToilet Cistern CapacityFTW--Supplier Part NumberMBX4551Brand NameSchneider