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ASME A112.18.3-2002 (R2017)

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ASME A112.18.3-2002 (R2017)

Performance Requirements for Backflow Protection Devices and Systems in Plumbing Fixture Fittings

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This Standard addresses functional performance and requires physical characteristics of devices and systems which provide backflow protection consistent with the level of risk associated with the plumbing fixture fitting application.�  The Standard establishes specific performance criteria and provides the test methods to prove compliance. It is applicable to all plumbing fixture fittings with outlets not protected by an air gap.