Studor 20353 Redi-Vent Air Admittance Valve with PVC Adapter, 1-1/2- or 2-Inch Connection,

Simplify drainage and waste venting with the Studor Redi-Vent Air Admittance Valve. The unique design of the Studor Redi-Vent provides ventilation to prevent the loss of water seals in traps without the need for expensive roof penetration and vent piping. 1-1/2 or 2 Inch, NPT, 2.625 Inch Vent Height, 2 Inch Vent Dia, PVC, Temperature Rating: -40 to 150 deg F

• Compact air admittance valve with PVC adapter; ideal for a single fixture or group of fixtures up to 20 DFUs (drain fixture units) on a branch
• Creates ventilation that prevents the loss of water seal in trap
• Uses gravity to automatically close seal and prevent circulation of unpleasant bathroom or drain odors
• Fits 1-1/2-inch and 2-inch piping; temperature rating of -40°F to 150°F (-40°C to 65.6°C); complies to ANSI/ASSE 1050 and 1051; this style air admittance valve is not recognized as a mechanical vent in the International Building Code
• Exclusive vermin protection system keeps out bugs and foreign objects