got a problem with noise from vent pipe from header tank on central heating.
when boiler fires up and pump starts after a couple of minutes vent pipe makes loud noise rumbling sound which lasts for minute or so. rads working ok hot water ok just started last few weeks had system drained no better.potterton promax boiler been in 5 years been fine until now any ideas anyone
when boiler fires up and pump starts after a couple of minutes vent pipe makes loud noise rumbling sound which lasts for minute or so. rads working ok hot water ok just started last few weeks had system drained no better.potterton promax boiler been in 5 years been fine until now any ideas anyone
