Potterton Kit Expansion Vessel 7L Assy 7683801. This suitable for the Potterton Assure Range of boilers.
This is just some of the Potterton Assure Combi boilers the expansion vessel fits, Potterton Assure Combi 25 GC 47-393-58, Potterton Assure Combi 30 GC 47-393-59 and Potterton Assure Combi 36 GC 47-393-67.
