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

Compact steel housing for under-sink installation

Approximate visible dimensions: 4-1/2 x 4-1/2 x 1 inch

Fixture Type: Outdoor Landscape

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.