Product Information: The pump is located after the primary heat exchanger within the appliance and allows the heated water to be circulated within the closed heating system. In the design of most combination boilers , the pump is often located before the diverter valve to allow circulation through the central heating and DHW systems.
This part is present in 5 different boilers in the Vaillant range including the Vaillant VC 180 T , VC 142 E , VC 112 E , VC 110 XT , VC 110 T .