Oatey Plastic Air Admittance Valve 10-00-001-1027 With over 300 individual items

With over 300 individual items designed for all the functional areas of a home

The bent h

8" Black Matte End Cap (Crimped)

Designed for improved finish quality

replaces Duplex

Oatey Plastic Air Admittance Valve 10-00-001-1027 With over 300 individual itemsThe 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 1 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