Section 21 0500Common Work Requirements for Fire ... - ADOA

Mar 22, 2018 · Provide approved expansion tank on cold water make-up supply to hot water generating equipment as recommended by manufacturer or as shown on the drawings and specified in the plumbing equipment and fixture schedule on the drawings, Amtrol, Wilkins, or approved equal. ... at the high point of all hydronic systems and at locations indicated on ... ................
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