AS/NZS 4936:2002 PDF
This Standard specifies the requirements and test methods for air admittance valves including those that are integral with a fixture trap.
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Air admittance valves (AAVs) for use in sanitary plumbing and drainage systems
standard by Standards Australia / Standards New Zealand , 09/02/2002
AS/NZS 4936:2002 PDF
This Standard specifies the requirements and test methods for air admittance valves including those that are integral with a fixture trap.