Thanks for your replies.
Can you tell me what a cws is? and an f/e? !
Also, is this a fairly straightforward adjustment/repair not likely to cost much/anything? Or do I need to start advertising an organ for sale to pay for this?!
Please help me someone before I go completely insane!
I know nothing about central heating or plumbing btw.
Basically, there is a drip coming from a pipe that protrudes from my attic - I think it's from the cold water tank? It only happens when the central heating is turned on. And it...