[quote=mike31154;353616]The biggest thing you need to do is figure out how much flow you're likely to use for your family and ensure you buy a large enough unit so the person taking a shower doesn't get a surprise when you run the hot water in the kitchen... QUOTE]
And that would be hitting the nail on the head right there! How do I figure out how much we use? We are a "family" of 2 plus 2 water-guzzling dogs. Is there a calculator for this?
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