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- 17 Oct 2005
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The Bathroom basin cold taps where we clean our teeth comes from the cold water storage tank up in the attic - what if I were to modify the pipework a bit and hook it up to mains water instead? - any problems? any breaking of water law (in Ireland, so water law may be different to UK) ? and just keep the cold water storage tank up in loft feeding toilet system and immersion heater tank.