AB&A Backwater Valves with Plastic Screw-in Cover

Product Description and Features

Protect low areas and basements from street-sewer-backflow waste with the AB&A ABS Backwater Valve. With options for 3-6 inch Schedule 40 DWV (drain, waste, and vent) pipes, AB&A backwater valves and riser allow water to exit the pipe but prevent backflow. The included cap with integrated O-ring connects via a simple screw-on design.

• Designed to protect low areas or basements from the backflow of waste from the street sewers
• Available in 3", 4", and 6" Hub outlets
• Fits 3", 4" and 6" DWV Pipe
• Complies with ASME A112.14.1
• Cap with O-Ring screws directly in to backwater valve
• Available with 16" riser and snap-on cover
• **California Residents: WARNING – www.P65warnings.ca.gov

• Download Specification Sheet