Recent content by benctwicks

Bumping in hope someone might have some ideas before I shell out a fortune!!!

Hi, I've recently moved into a new house and am having big problems with the boiler (Potterton Promax FSB 30 HE). Basically, every time it starts up from cold, it makes a terrible foghorn-type noise that echoes round the entire house. It's particularly noticeable in the morning when it's...