1-1/2 Inch Superior Seal Air Admittance Valve With 2X Sealing Power For Venting And Odor Prevention, Fits 1-1/2 Inch Vents, Branch And Stack Vents, For Pump Waste And Ejector Systems, White, ASSE 1050 1051

1-1/2 in Seal Air Admittance Valve - 2x Sealing, Single Unit
✔️ 2x sealing power blocks sewer gas; fits 1-1/2 in vents and stacks

This air admittance valve is a 1-1/2 inch venting device designed to prevent sewer odors while letting air in to balance pressure in plumbing systems. It is ASSE 1050 and 1051 compliant and suitable for venting individual, branch, and stack vents, including pump waste and ejector setups.

✅ Seals vents on 1-1/2" lines to block sewer gas and odors
✅ Fits 1-1/2" vent, branch, and stack configurations for residential or light commercial use
✅ ASSE 1050 / 1051 certified for safe venting in pump waste and ejector systems
✅ White color and simple installation designed for quick retrofit in existing vent stacks

💡 What is a 1-1/2 inch air admittance valve used for in home plumbing systems?

A handy venting option that prevents sewer gas from escaping while letting air into the drain line. It's commonly used on vents that can't be easily routed to the outside, such as under sinks, in basements, or with ejector pumps.

- Supports venting for 1-1/2" lines in individual, branch, and stack configurations
- Meets ASSE 1050/1051 for safe operation in pump waste and ejector systems
- Helps reduce odor and pressure issues in compact or retrofit installations