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    UK plumbing parts prices versus Europe.

    I've been comparing the prices of 24 litre expansion vessels, a commodity plumbing component, in the UK versus Germany. (Or ausdehnungsgefäß!) In the UK they'll retail at about £28 to £30 pounds. In Germany they're about £21.55 at 1.16 euros to the pound. Check each country's Ebay...
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    Gravity Cold with Mains Hot

    Thought about it but realised demand for many simultaneously showers wont happen here. Needlessly complex.
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    Gravity Cold with Mains Hot

    Yes - I see the legionella point - all that lukewarm water sitting in 5 shower distribution circuits. However - if say the pressure balancing is somehow taken care of centrally - before the distribution to the showers - then lower cost thermostatic showers can be installed - probably last...
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    Gravity Cold with Mains Hot

    (Not sure what you mean about using tank to feed boiler (installed already) - my bad description I think. The tank only feeds the taps and baths - the boiler is only fed by mains). Given that it exists already I'd argue for keeping cold water tank / gravity distribution - for WC cisterns...
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    Gravity Cold with Mains Hot

    I wanted to hear if there are many systems out there that reverse the normal 'Mains cold + Stored Hot' pattern. In this house I'm thinking of combining a mains fed 40kw Vaillant 937 storage combi with a gravity cold water system from 200 gallon loft tank. The Tank will fill quite...
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