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USC BACKFLOW TESTING PROCEDURES

University of Southern California Foundation for Cross-Connection Control and Hydraulic Research

10th Edition Testing Procedures for the Reduced Pressure Principle, Double Check, Pressure Vacuum Breaker, and Spill Resistant Vacuum Breaker Backflow Assemblies.

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 Click on links below for backflow assembly testing procedures:

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Reduced Pressure Principle Backflow Assembly

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Double Check Backflow Assembly   

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Pressure Vacuum Breaker

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Spill Resistant Vacuum Breaker

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2021 Arizona Chapter - American Backflow Prevention Association

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