BACKWATER-VALVES.COM

4963 RK - New Stainless Steel Bolts (save original nuts), Foam Replacement Gasket and Neoprene O-ring that seats in valve body and seals the gate for both 4" ABS and 4" PVC Backwater Valves. Kit may be needed if you remove the clear plastic lid from valve for maintenance or to replace the gate or lid. Carefully clean all surfaces and install the new parts... Our innovative plastic backwater valves prevent basement flooding, raw sewage and sewer backups, backflow preventer. New Top check valve

Also known as: backwater valves