Plastic

6" Sch 40 PVC Backwater Valve Fits 6″ schedule 40 DWV pipe. Easy access threaded plastic cover with a positive seal elastomeric gasket. Non-corrosive flexible flapper provides seal against backflow. UPC, CSA AND SBCCI approved. Magnetic strip for...

4" Sch 40 PVC Backwater Valve Fits 4″ schedule 40 DWV pipe. Easy access threaded plastic cover with a positive seal elastomeric gasket. Non-corrosive flexible flapper provides seal against backflow. UPC, CSA AND SBCCI approved. Magnetic strip for...

3" Sch 40 PVC Backwater Valve w/ 18" Plastic Access Sleeve and Plastic Lid Fits 3″ schedule 40 DWV pipe. Easy access threaded plastic cover with a positive seal elastomeric gasket. Non-corrosive flexible flapper provides seal against backflow...

3" Sch 40 PVC Backwater Valve Fits 3″ schedule 40 DWV pipe. Easy access threaded plastic cover with a positive seal elastomeric gasket. Non-corrosive flexible flapper provides seal against backflow. UPC, CSA AND SBCCI approved. Magnetic strip for...

2" Sch 40 PVC Backwater Valve Fits 2″ schedule 40 DWV pipe. Easy access threaded plastic cover with a positive seal elastomeric gasket. Non-corrosive flexible flapper provides seal against backflow. UPC, CSA AND SBCCI approved. Magnetic strip for...

1-1/2" Sch 40 PVC Backwater Valve Fits 1-1/2″ schedule 40 DWV pipe. Easy access threaded plastic cover with a positive seal elastomeric gasket. Non-corrosive flexible flapper provides seal against backflow. Comes with an 18″ plastic access...