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Plumbing water supply air gap calculation spreadsheet

Rules for Water Heaters Used as Space Heaters

The Water Calc Crew file is a Excel program on CD that is available through state Document Sales (see page six of the catalogue, call 800-362-7253). The disc has two Excel files on it: The Water Calc Crew File and the Fire / Water Calc Crew File.

Online search for plumbing, private onsite treatment systems, and pools product approvals.


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