Backwater Valves

A Backwater Valve is designed to function as a check valve in a drainage pipe to prevent flowing liquid, such as sewage, from reversing its direction. There are other applications for Backwater Valves, such as multi-level pond balancing for Aquascape...

A Backwater Valve is designed to function as a check valve in a drainage pipe to prevent flowing liquid, such as sewage, from reversing its direction. There are other applications for Backwater Valves, such as multi-level pond balancing for Aquascape...

A Backwater Valve is designed to function as a check valve in a drainage pipe to prevent flowing liquid, such as sewage, from reversing its direction. There are other applications for Backwater Valves, such as multi-level pond balancing for Aquascape...

6" Clean Check PVC Rebuild Kit Features No manhole required Installs discretely outside - up to 12' below ground level Above ground outdoor maintenance accessibility eliminates hidden access indoor applications, and the sewer odor and mess of...

PVC Backwater Valves are designed to help prevent fluids from re-entering drainage systems, should backflow occur. Unidirectional flow through the valve is created by a flap that freely opens during outflow, and is trapped closed if backflow occurs...

PVC Backwater Valves are designed to prevent fluids from re-entering drainage systems, should backflow occur. Unidirectional flow through the valve is created by a flap that freely opens during outflow, and is trapped closed if backflow occurs. Both...

A simple but revolutionary extendable backwater valve that eliminates the need for expensive and unsightly manholes regardless of the burial depth. Prevents sewage backup into a residence or building as a result of a plugged sewer system. Valve...

Extends Spears Backwater Valve access to surface Extension Pipe NOT INCLUDED

Extends Spears Backwater Valve access to surface Extension Pipe NOT INCLUDED

Extends Spears Backwater Valve access to surface Extension Pipe NOT INCLUDED

Extends Spears Backwater Valve access to surface Extension Pipe NOT INCLUDED

Backwater Valves are designed to prevent backflow in numerous applications where easy service access for maintenance and cleaning is needed. Excellent for use in sanitary or storm sewer drainage systems to prevent waste back up due to inadequate...