Search results

Wow - such fast replies! Distance from top of tank water to vent pipe bend is about 1m - this has just been increased from about 400mm, as water was pumping over with pump on speed 2 or 3 (and making strange whooshing noises as described before) - only did this with old boiler on speed 3...

I have a bit of a bizarre problem with my central heating. Problem is that when it's on hot water only its gets itself into a weird cycle of pulling air down the expansion pipe and pushing hot water up the fill into the header tank. It starts ok when cold, but once hot you can hear a...