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    Non Return valves on feeds to PEV?

    As said above, a pressure reducing on the cold mains seems more appropriate. Consider testing both hot and cold pressure at full bore if possible. Add a non return valve, sure, but if it's on the hot outlet, and you've already got a problems with system balancing - it'll only hinder the pressure...
  2. E

    A challenging place to heat

    I'd rather have a slightly off putting doorway than hundreds of kilos of refined metal hanging from the wall of every room! Mind you wet heating has always been horribly in-efficient and only pushed by suits & co. Things warm air doesn't give you Asthma AIDS Humid walls Smog filled street...
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    A challenging place to heat

    Warm air is awesome! 100% efficient and doesn't give you lurgies so why not seriously consider it? I mean, if you were to retrofit I'd tip my hat but admittedly its a stretch. Think about how crude attaching a chunk of metal to a wall is. :twisted:
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