espadrille Posted July 15, 2010 Share Posted July 15, 2010 I could do with a tank on the side of the house that could fill up the toilet from the roof gutter. It would have to have its own valve in the tank that would over ride the existing cold water feed system when there's enough rain water... Shouldnt be too difficult to install. Get a plumber and a roofer on the phone and they should be able to advise on that. Link to comment Share on other sites More sharing options...
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