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Product details

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.

  • For use as a secondary vent
  • Adapter allows solvent welding to 1-1/2 or 2inch Schedule 40 PVC pipe or threads into 2inch FIP fitting
  • One size approved to handle up to 3inch vent pipe
  • Each valve individually tested
  • Opens/closes as needed by buildings plumbing system
  • Documentation

    Technical Specs

    SKU: 97574
    Model: 39016
    material: PVC size: 1-1/2 x 2"
    prop65 warning: California Proposition 65 Warning, This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to sub brand: Sure-Vent®
    product type: Air Admittance Valves product upc code: 038753390161

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