Redi-Vent Air Admittance Valve With PVC Adapter, White, Fits 1-1/2 To 2 Inch Pipes, Great For A Single Fixture Or Bank Of Drains Up To 20 DFUs, Keeps Water Seal Safe From Sewer Gases

Air Admittance Valve with PVC Adapter for 1-2 in Pipes
✔️ Fits 1-1/2 to 2 in PVC, supports up to 20 DFUs, white

This compact air admittance valve provides venting for drain lines without roof penetrations. It’s designed for a single fixture or a bank of drains up to 20 drain fixture units (DFUs) in residential or light commercial settings, using 1-1/2 to 2 inch piping with a PVC adapter. Temperature rated from -40°F to 150°F and built to ANSI/ASSE 1050 and 1051 standards, it also features vermin protection and a compact 2.625 inch vent height with a 2 inch vent diameter, and ships in white.

✅ Fits 1-1/2 to 2 in piping with PVC adapter
✅ Handles up to 20 DFUs on a branch
✅ Temperature rating -40°F to 150°F (-40°C to 65.6°C)
✅ ANSI/ASSE 1050 & 1051 compliant; vermin protection
✅ White color, compact vent height 2.625 inches

💡 What is an air admittance valve and how does it work in drainage systems? This handy overview explains its role in venting without roof vents. - It allows air into the drain line to balance pressure and prevent trap siphonage
- It closes automatically to block sewer gases when pressure is normal
- It eliminates the need for roof venting in many small-scale installations
- It adds vermin protection and works within typical temperature ranges