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  1. J

    Bypass valve location

    Hello. I have fitted smart TRVs to nearly all my rads. However, when only 1 or 2 rads calling for heat then system noise is quite loud. I've been advised bypass valve will sort out noise and avoid me having to leave one rad without a TRV. The easiest place for me to access is directly above...
  2. J

    Comap TRV removing head.

    Hello. I'm trying to remove the head off a Comap TRV. I have undone (anticlockwise) silver ring, but I can't pull the head off. I don't want to apply too much force, or is this exactly what is needed? There is no magic pin to push is there?
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