If you're selling your home in Minneapolis or Bloomington, you'll probably have to pick up a vacuum breaker or two. A vacuum breaker, commonly referred to as a backflow preventer, is a device that ...
“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 ...
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