thanks for everyones replies...update:
i had already given him the go ahead prior to opening this thread and reading the replies.
he arrived today, removed and replaced the old expansion vessel, and put it in the "correct" location with new piping, replaced the leaky flue, and serviced both...
thanks for this
how are each of these potential problems(compromised membrane and temp/pressure relief valve) diagnosed and resolved? obviously i am not qualified, you're always told to go and seek out a qualified engineer, which is exactly what i've done, but seems you don't always get the...
hi all, would be grateful if someone can shed some light. i'm based in the UK if that helps.
i know nothing about plumbing or central heating but have been having issues with my boiler and unvented cylinder. a g3 qualified engineer came over today and said the expansion vessel was blocked from...