On 03/04/2018 09:35, DerbyBorn wrote:


I have not been to see it for myself. It seems that some downtairs
radiators do not heat up. I have talked him through balancing and checking
his TRVs are not stuck.

Air lock in pipes feeding radiators? Turn off all radiators except one
that's not getting hot and perhaps turn the pump to the highest speed
for a short period.

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