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Air Admittance Valves

Mechanical devices to equalize sewer line pressure used instead of vent piping through the roof.

American Society of Sanitary Engineering (ASSE)
ASSE International Office
901 Canterbury, Suite A
Westlake OH 44145
(440) 835-3040
Web Site

PATH Concept Home
The PATH Concept Home combines innovative products with traditional design elements to create a home of the future. Technologies include: Home-run plumbing system, tankless water heater, air admittance vents, factory-engineered wall and floor panels, panelized ICF (insulating concrete forms), alternative insulation, insulated vinyl siding, and more. View the web site or download the Concept Home Design Guide (PDF).
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ToolBase TechSpecs
Air Admittance Valves (PDF)
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Disclaimer: The information on the system, product or material presented herein is provided for informational purposes only. The technical descriptions, details, requirements, and limitations expressed do not constitute an endorsement, approval, or acceptance of the subject matter by the U.S. Department of Housing and Urban Development (HUD/FHA), The Partnership for Advancing Technology in Housing (PATH), or any PATH-affiliated Federal agency or private company. There are no warranties, either expressed or implied, regarding the accuracy or completeness of this information. Full reproduction, without modification, is permissible.