Canplas 223281W 1-1/2 in. PVC DWV Backwater Valve Cam Fits standard 3-1/2-inch sink drain

Fits standard 3-1/2-inch sink drain openings

and consult the installation manual for proper venting

Maintenance is simplified with captured bonnet screws and easy access to internal components without removal from the pipeline

and shoots

Canplas 223281W 1-1/2 in. PVC DWV Backwater Valve Cam Fits standard 3-1/2-inch sink drainCanplas 223281W 1 1 2 in. PVC DWV Backwater Valve Brand: Canplas SKU: 223281W Product Overview The Canplas 223281W PVC DWV backwater valve is a 1 1 2 in. socket x socket valve for helping protect low level fixtures and branch lines from sanitary, storm, or septic system backflow. Under normal flow, the flapper opens to allow drainage; during reverse flow, it closes to help stop backflow from entering protected drain openings. Key Features: 1 1 2 in.