AAV-TEE Redi Vent Air Admittance Valve with Tubular Adaptor

An air admittance valve shall be acceptable as a vent termination for any individual vent, common vent, circuit vent, loop vent and island fixture vent that is provided to prevent siphonage of a fixture trap.  An air admittance valve can be used as an alternative to extending a vent through the roof (or sidewall) to the open atmosphere.

Location:

• The air admittance valve shall be located a minimum of 4” above the horizontal branch drain or fixture drain being vented.
• Each valve should be installed in an accessible location.

Installation:

• The valve should be connected to the piping in accordance with the manufacturer’s installation instructions.
• The valve should be installed in the vertical, upright position after rough-in and pressure testing of the DWV system.
• A minimum of one vent shall extend to the open atmosphere for ever building drainage system.
• The valve should not be installed as a vent terminal for any special (chemical) waste system or in supply and return air plenums.
• For installation in areas with temperature range between –40 and 150 degrees F.

Features:

• Screening on the inside and outside of the valve to protect the sealing assembly from insects and debris.
• Will vent up to 20 DFUs on a horizontal branch and 24 DFUs on a stack.
• Limited lifetime warranty for replacement of defective valves.

Materials:

• ABS (acrylonitrile butadiene styrene) valve with silicone membrane
• ABS or PVC (adaptor)

Performance Standards: ANSI/ASSE 1051—2009 single fixture and branch type AAVs ANSI/ASSE 1050—2009 stack type AAVs NSF Standard 14—2009 Plastics Piping System and Components

Code Compliance:

• International Plumbing Code (IPC)
• International Residential Code (IRC)
• Uniform Plumbing Code (UPC Section 301.2 Alternative Materials and Methods
• National Standard Plumbing Code (NSPC)—Appendix “E”
• National Plumbing Code of Canada (NPC)