The Potterton diverter valve is a mechanism that only appears in combi boilers. It allows the hot water to be redirected to the central heating (radiators, etc.) or to the domestic hot water system (taps, etc.). This feature is what makes a combi boiler so popular due to the boiler's being able to provide heating and hot water without requiring a cylinder.
10 litre per minute
Technical specification
TypeValveColourBronzeManufacturer Model No5116017Brand NamePotterton