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ASME A112.1.2-2004
- Air Gaps in Plumbing Systems (For Plumbing Fixtures and Water-Connected Receptors)
- standard by ASME International, 11/01/2004
- Publisher: ASME
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This Standard identifies methods of providing protection against back siphonage through means of an air gap and establishes physical requirements and methods of testing air gaps for plumbing fixtures and water receptors.