Recent content by anthg

Thanks for the advice MM. There was no knocking with the temperature turned down so it must be expanding pipes. I'll have to lift some floorboards and try to find where the problem is. Many thanks.

I have a BAXI combi boiler which is approx. 3 years old. There has always been an irritating knocking noise coming from the pipes within 10 seconds of the heating being turned on. The noise repeats itself every 5 minutes or so whilst the heating is on and stops as soon as the heating is turned...