I've got 3 rads upstairs, when I try to bleed them only a small amount of air comes out then nothing. I've tried draining the system at a drain valve at the lowest point in the system, however water is only slowly dribbling out. I would guess that I've got a blockage somewhere, question is what is t...
If you've drained the central heating system, then add a sludge remover into the header tank as you're refilling the system, won't some of it get into the hot water system and come out of the hot taps?
Thanks for that.
The same radiator has always warmed up with only the hot water system on, but recently it has been getting as hot as when the central heating is turned on, I was wondering why the change?
Why is the radiator in my bathroom getting hot, even though the central heating is switched off, only the hot water system is switched on? The radiator is part of the central heating.
