“ASSE International strongly recommends that all ASSE 5110 certified backflow prevention assembly testers keep a copy of the Field Test Procedures Using Three-Valve and Five-Valve Test Kits booklet in ...
WESTLAKE, OHIO - The American Society of Sanitary Engineering's Board of Directors have recently approved the new revisions made to backflow standards 1013-2009, 1015-2009, 1047-2009, and 1048-2009.
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