Search results

We may possibly have a leak underground in our central heating system (trying to find the cause of drop in pressure of our new condensing boiler - see my other post). Any thoughts on or problems with using fernox leak sealer to fix the problem?

Help please. We had a new glowworm condensing boiler fitted (and the rads pressure cleaned) a couple of months ago and are having problems with the pressure. It was fine at first when we were just heating hot water and one of the radiators, but since opening all the radiator valves and using the...