hello all
can you advise
i have a gravity central heating system live in a bungalow
a few of my radiators are cold at bottom
bled them still cold
there was no air in rads !
the pump is making a slight noise ?
also i bled rads with the heating OFF
but been told to bled with heating ON ?
also noticed the header tank supplying the rads
the water in the tank was warm
any advice please
thanks Paul
