1-1/2 x 1-1/2 Dia, Valve: ABS; Membrane: Silicone; Cover: Styrofoam; Connector: Rubber, White MPN:20302

This Studor Air Admittance Valve is a reliable solution for plumbing systems, allowing air to enter and escape while preventing sewer gases from entering buildings. With a 1-1/2 inch diameter and a slip connection, it fits 3 and 4 inch pipes and drains. The valve is made of durable ABS and silicone materials, and features a white plastic cover and rubber connector. Suitable for use in residential and commercial applications, it meets ANSI/ASSE 1050 and 1051 standards. Its compact size and easy installation make it an ideal choice for new construction and renovation projects, ensuring a healthy and safe indoor environment.

Top product features:

• Valve allows air to enter and escape from plumbing systems to prevent vacuum formation.
• Membrane is made of silicone, a flexible and durable material.
• Cover is made of styrofoam, providing insulation and protection from the elements.

Top product applications:

• Venting plumbing systems to prevent vacuum and siphonage in residential and commercial applications
• Drainage systems in bathrooms, kitchens, and laundry rooms to prevent odors and gasses from escaping
• Installation in plumbing systems to meet ANSI/ASSE 1050 and ANSI/ASSE 1051 standards for air admittance valves