Recent content by bodman

Yes, I know. I'm clutching at straws here. It's quite a long pipe run, and I wondered if I hadn't left it flowing long enough to clear any airlock in the manifold, or maybe even introduced a new airlock when I had the radiator off. I can't answer that, either. Convection, maybe ? The...

Yes, had to balance them after having all the return valves shut.

Fairly sure it's not sludge - water was gushing from the return outlet when I had the garden hose connected to the feed side, so water flows easily through the radiator when offline. Last night I closed the return valves on all the other radiators except this one - after about an hour the...

fully pumped gas fired central heating system (S-type) in a two-storey house. six radiators downstairs, 5 upstairs. Problem: One radiator downstairs doesn't heat up properly, all others are fine. This radiator gets warm at the top, stays cold at the bottom. The input pipe (bottom right)...