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  1. A

    bad initial install

    Just asking for a bit of advice really. I :? have a gravity fed system in my house with a couple of odities they are that the boiler is in the bathroom and the hot water tank is in the bedroom and as the tank is only just higher than the boiler i only get the top quater of the tank hot when i...
  2. A

    vaillant water pressure problem

    A friend (honest) has a vaillant vc gb 112eh or vc gb 142eh(not sure which instruction manual covers both) and after removing and re connecting a radiator and bleeding it he has a problem where the water pressure keeps dropping (below 1bar) . he refills and after a day or 2 it needs refilling...
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