Plumbers' technical note – Air admittance valves (AAVs)

Information status

All documents issued prior to 1 July 2017 were issued by the former Department of Commerce. Documents listed here are the latest versions available, but may be subject to review. For more information on this document, please contact

This publication is for: 

This technical note has been developed with the assistance of the Plumbing Industry Reference Group and is issued as a guide to the Western Australian plumbing industry for the correct use and installation of Air Admittance Valves. 


Building Commission
Technical standards
Last updated 22 May 2014

Share this page:

Last modified: