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Old 03-15-13, 07:19 PM   #15
Drake
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Join Date: Jan 2011
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Exeric, that is the question/s that I am pondering now as I am favoring a "whole house tank" approach for plumbing/space consideration as well that can be in the basement. Whether to just recover the higher temp gray water when use incoming and outgoing are at or close to same time(I plan to audit a dishwasher cycle to see if hot drain water is draining at same time more hot water is going in, as in a shower). An insulated holding tank, though having heat loss over time, would work better where incoming demand isn't at same time as leaving.
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