Backflow preventer installation costs between $105 and $1,400, with the average property owner spending $325 per backflow preventer. Backflow preventers are essential in many commercial and some ...
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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