Small radiator on the landing doesn't work, has a lock shield both ends, how do I know which end to turn to get things working? Both pipes in are cold, so that doesn't help identifying the feed
Could be that the radiators need balancing. There are plenty of videos on the subject.
@Airhead started
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Small radiator on the landing doesn't work, has a lock shield both ends, how do I know which end to turn to get things working? Both pipes in are cold, so that doesn't help identifying the feed