To JohnD
Yes it was installed two to three years ago and obviously they were paid! But should they have removed the old header tank and installed a self enclosed system??
Hello. I have a newish condensing boiler with a header tank in my loft which I have just discovered has a lot of water spilt around it. A visiting plumber tells me this is "blowing off" and that I should not have a header tank but an enclosed system with a vessel. He says this would cost £320 to...