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Radiator Cold at Bottom Even After Bleeding?

Postby paultoolbox » Sat Mar 10, 2018 2:10 am

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
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