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Oatey offers a wide range of Air Admittance Valves and accessories to enable installation in virtually any application.

Engineering Specification:

The purpose of an Air Admittance Valve is to provide a method of allowing air to enter the plumbing drainage system without the use of a vent extended to open air and to prevent sewer gases from escaping into a building. An Air Admittance Valve is a one way valve designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system. The device shall close by gravity and seal the vent terminal at zero differential pressure (no flow conditions) and under positive internal pressures.


Materials and Dimensions

? Valve – PVC with 2” NPT Threads

? Tension Membrane – Neoprene

? Adapter – 1-½” x 2” PVC Schedule 40 adapter

? Rated 20 DFU’s for venting DWV 2” and smaller

? Sweet Spot™ technology opens at -0.01 psi and seals at 0 psi and above ? Screening on air inlets to guard the seal

? Protective rubber sleeve provides grip for installation and keeps valve free from debris

? 100% functionally tested at ¼” H2O and 30” H2O ensuring trouble free performance

? Limited Lifetime Warranty

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