Product Lines

Canplas Backwater Valves

Canplas Plumbing makes backwater valves that provide protection against sewer backup.  Northenr Plumbing Supply carries Canplas backwater valves and sleeves in our Grand Forks and Fargo branches.  To shop for Canplas products at Northern Plumbing Supply, choose the Shop Now button in the upper right hand corner of the screen.  For more information you can follow the link below to the Canplas website.