Cheers Tony. I initially thought overheating was likely, but thought 6 hours would have got it as cool as it was going to get. Could it take longer than that?
Hoping somebody can help me understand a weird boiler issue I had this weekend.
I'm in the process of converting a cellar, and as part of this I needed to raise all the central heating pipes into the floor joists above as they were hanging down. (Basically just shifting them so I could put...