One radiator in house is hot at the top and cold at the bottom. All other rads are hot and the balance is fine.
The Flow pipe is red hot so I believe its sludge in the rad.
The Radiator has a drain off and can be isolated from the rest so can be drained independantly.
I'd like a price to remove the rad and try to flush it with a hose to clear the sludge if possible.
Thanks.
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