These TRVs can apparently be fitted on either inlet or return pipes.
3 of my TRVs are fitted to return pipes and these radiators all fail to heat up properly and are cool at the bottom. Presumably because water is escaping too quickly and these radiators need balancing.
The question I have is how do I balance these radiators with the TRV on the return pipe? There doesn't seem to be any adjustment to restrict flow.
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