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Oatey® SURE-VENT® 39017 PVC SCH 40 Air Admittance Valve with Adapter, 2 in, NPT
Air Admittance Valves
143986
MFG #: 39017
35.05000
/ ea
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 and under positive internal pressures.
- Features
- Rated 20 DFU's for venting DWV 2 in 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 1/4 in H2O and 30 in H2O ensuring trouble free performance
- One size approved to handle up to 3 in vent pipe
- Opens/closes as needed by building's plumbing system
- Allows air to enter the plumbing drainage system when negative pressures develop in the piping system
- Standards/Approvals: ASTM D2665/D2661, ASSE 1050, ASSE 1051, ICC ESR-1664, IAPMO Listed, NSF 14 Certified
- Applications: For use as a secondary vent