Thanks for the info - much appreciated!
I think i'll probably try the bungs method - there are two pipes with wheel valves in the airing cupboard and i don't want to turn off the wrong one.
I remember being advised to do something similar when we had a leaking radiator pipe -in the...
Hi - first of all i should point out i'm a plumbing novice!
I need to change the temp sensor in my Ferroli Sigma 60-100. It's a wet sensor so i'm informed i need to isolate and drain the boiler first - can anyone tell me how to do this or should i call in the experts?
It's a gravity fed...