Product Information: This part is based within the isolation valve section. The isolation valve can be found underneath the heating appliance and allows the user to change the flow of water and gas in to the central heating system. These also allow for the supply to be stopped completely in case of an emergency or a leak.
This part is present in 28 different boilers in the Potterton range including the Potterton HEATMAX COMBI , HEATMAX COMBI , PROMAX HE , PROMAX HE PLUS A 12, PROMAX HE PLUS A 15.