DIY Doctor

1 radiator is only warm - any suggestions

Postby LittleMate » Sun Nov 23, 2008 4:47 pm

Thought I knew all the answers on this subject - but I don't.

This one rad in a bedroom is lukewarm.

The inflow pipe is hot and the outflow cold.

I have bled the rad; taken it off the wall and flushed it (twice).

Whilst off the wall I also opened the in and out valves and water runs out. When I then re-fill it the out pipe gets lukewarm due to the heat transfer from the hot water that comes into the radiator when filled.

I have tried shutting down other radiators but this does not seem to be the answer.

Anyone got any ideas?
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