Felix
I already did check the return,that seems ok.
I did start by bleeding it. even now when I try to bleed I get cold water & no air.
Tech
I will try to reduce the upstairs radiator flow & try again as you suggest.
tech/oddy
I don't have trv's
Thanks for the replies guys, I'll...
One radiator downstairs has ceases to give off heat. It was working fine until wednesday but noting changed on that day.
On saturday I did bleed one radiator upstairs which is working fine as are all the others upstairs.
on the non functioning radiator downsatirs, if I close the return...