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  1. G

    Lock shield valve question

    Yep Allen key fits will have a look at that as well. Many thanks
  2. G

    Lock shield valve question

    Thanks John. Will try that. Radiator and valves were replaced along with a load of others a little while ago. Don’t think this one ever got warm from memory.
  3. G

    Lock shield valve question

    Hi, hoping someone can advise. I have one radiator that is not heating. I have checked that the pin is up on the TRV and the radiator does not need bleeding. After some research on the internet I came across checking that the lock shield valve may need opening. However there is no spindle to...
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