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BACKFLOW PREVENTION ASSEMBLY TESTING MANUAL

BACKFLOW PREVENTION ASSEMBLY TESTING MANUAL

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procedures described under DOUBLE CHECK VALVE ASSEMBLIES. NOTE: While the use of water columns (tubes) for field test reporting purpose has been eliminated, testers will still be required to demonstrate proficiency in tube testing of double check valve assemblies and pressure type vacuum breakers at the time of certification and recertification.

  Manual, Testing, Prevention, Assembly, Tester, Assemblies, Backflow, Backflow prevention assembly testing manual

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