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  1. F

    Frost damage to underfloor heating pipes.

    This is on my self build project. 6 loops of 120M each were laid on insulation in 100mm concrete screed. The manifold was installed & pressure tested before the concrete was laid & held for a long time after. That was over two years ago & the building has had no heating in all this time. Just...
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    Ground source Heat Pump... My first one.

    I've nearly completed a Barn conversion on a 2 Acre plot. The ground collector pipes have all been Trenched in deeper than the land drainage on the site & deeper than the septic tank soakaway as well..... My theory on this is you can't freeze running water & winter ground water temperatures will...
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    Expansion Vessel size ?

    I have an underfloor heating system of 720M of 16mm Alpe pipe & only short 2M runs of 28mm pipe to a Ground source heat pump. Absolute maximum temp rise of 65 degrees more probable 40 degrees. What size should the expansion vessel be ?
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