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  1. A

    radiators go cold with ch and hw switched on

    thanks was hoping it was going to be the motorised valve so i could change it myself thanks for your reply andy
  2. A

    radiators go cold with ch and hw switched on

    only one motorised valve and it noisy
  3. A

    radiators go cold with ch and hw switched on

    ok here we go - hw and ch swtiched on ,boiler fires up water gets hot ,rads get hot all is well . when water gets to temp , boiler light goes to orange radiators go cool .
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