2 radiators not working

7 Apr 2006
Reaction score
United Kingdom
I have 2 rads in dining room and hallway which are not working, both have thermostatic valves. One of the radiators is warm up to the thermostatic valve but the rad is only warm at the top and the return pipework is cold, the other rad both feed and return pipe work is cold. Both are fed from upstairs and some of the pipe work is visable one pipe is hot and the other cold. I have tried tapping the pins on the valves thinking they are blocked but no change. Have read of the same kind of problem on this site and balancing has been mentioned can anyone enlighten me please.
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Theres a reference in the faq section, tried that?
Shut all rads off for a while apart from these 2, should get hot.
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I shut off most of the other radiators in the house and I they have warmed up, will try balancing when I get the time. Thanks for your replies.

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