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Vinny performs a backflow valve test on a 4" backflow valve connected to a fire sprinkler system. Backflow valves protect the city's Service call for a leaking fire backflow preventer. The Double Check Valve Assembly (DCVA) and the Reduced Pressure Zone Assembly (RPZA) are the most used backflow preventers for fire protection
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The excerpt above presents the field testing procedure for a double check valve assembly according to the Manual of Fire Hydrant Backflow Protection
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#Sprinkler Backflow Preventer Repair #Plumbing Honored to be hosting the University of Florida TREEO Backflow Prevention Certification Course this week at our Davie location.
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EXCERPT - Backflow Preventers and Fire Sprinkler Systems (2018)