That great thanks I will have to get an engineer round tomorrow to confirm.
I have searched for the part and not had much luck any ideas wheres best to look?
Thanks again for all your help it's much appreciated
Hi
As of yesterday my glowworm 24cxi combi boiler has developed a fault.
The central heating works fine however when the hot water is run and comes out of the tap ( hot ) the rcd fuse trips on my main house fuse board.
On resetting the fuse this will continue to happen until the hot water is...