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whilst removing flue (roof terminal) bottom plastic sleeve was brittle and a couple of holes appeared tried to get replacement no joy anyone know where available

anyone know where i can get a roof terminal for an extrafast 96 been told by glowworm boiler obsolete and flue parts unobtainable but just spent £200 on boiler comes a bit hard to be told to buy a new one

changed expansion vessel all ok thanks everyone

expansion vessel valve when pressed releases water

pressure when heating on rises to 3 bar

the pressure with heating on is 2.6 bar

the pressure is at 2.6 bar

discharge pipe running loses about 500ml a day have to keep refilling system have changed system pressure valve and ch pressure valve and hw pressure valve but still have aproblem as before any ideas