Sorry, but I havent got a clue! - but (all) your answers would seem to indicate a blockage being the most lkely cause. If that is the case, then perhaps I would be better off getting a plumber/engineer to check these valves for me first. I appreciate that the force of water moving around the...
1. No boiler doesnt come on normally unless demanded.
2. This jamming you mention sounds more likely. I did have trouble with heating at end of last year. There was a constant drip coming from the expansion tank. when I went in the loft I found that the expansion tank contained muddy looking...
Sorry to be a pain - I have searched thro previous threads but cant find my problem listed.
I have an Ideal Classic boiler (about 12 yrs old).
The CH and Domestic HW are individually controlled by timer in airing cuboard. The rad thermostat is in hallway.
PROBLEM: If the bath is used a...