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  1. M

    High pitched whine that rises and falls for hours after central heating has been on

    Hi All, Recently had a loft conversion done. 2 bedrooms and a bathroom. One large radiator in one room, bathroom has a towel radiator & the other room has one large radiator & a small one on the opposite wall. I obviously expected it would take a bit of time to get rid of the air after a...
  2. M

    2 port valve ,cylinder stat query for hot water

    hi all, mother in law calls to say she has no hot water.eventually find junction box for valves in garage loft.when controller calls for hot water, voltage on cable to valve motor(brown) and nothing happens so i'm assuming motor is not driving the valve and making the contact at micro switch to...
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