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Date: 2014-08-05 16:07:16Double check valve Vacuum breaker Backflow Professional certification Backflow prevention device Irrigation Plumbing Pressure vacuum breaker | R309-305. Certification Rules for Backflow Technicians. Table of Contents R309[removed]Purpose. ............................................................................................... 3 R309[removed]Authority. ....Add to Reading ListSource URL: www.deq.utah.govDownload Document from Source WebsiteFile Size: 118,16 KBShare Document on Facebook |
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