My partner thought it may be an air lock.
It is an open vent systen
and the boiler is ideal classic lxff and ff faned flue gas boiler
How would somebody go about removing an air lock?
Thanks so much for your advice. My partner is a builder by trade but obviously not a plumber :) He...
My partner has put in a new bathroom suite..... b and q's cheapest and what a leaking nightmare. For approx a week heating etc.. has been off whilst he fits bathroom and puts up a new heated towel rail. Now the boiler won't come on, sometimes fires then stops after a few seconds. And the...