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  1. T

    Underfloor heating problem

    Thanks for the advice
  2. T

    Underfloor heating problem

    Hi Yes a regular unvented HW cylinder, just a normal boiler. The house has 5 Rads also on the same system. they all work perfect. I can see the logic in seperate pump and mixing valve for the second manifold but it does only have 2 relatively short loops. even if I isolate the flow to the...
  3. T

    Underfloor heating problem

    Sorry, see Pictures attached Not sure of the system set up but basically the 3 pipes below do the largest 3 loops then the vertical pipe to the left of the manifold takes hot water to a second manifold that heats the hall and bathroom Top one is the hot flow The vertical pipe leads to a...
  4. T

    Underfloor heating problem

    Hi All, Sorry if this has been covered but I cant see it anywhere. I have moved into a house with UFH, the heating works but the issues seems to be that there is not enough flow to heat up the rooms. the flow pipes are hot but all returns (except a small bathroom loop) are cold. I have done a...
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