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“2 1/2 inch Sump Pump Ball Check Valve” is a backwater ball valve designed by Cyclone Valves for sewer backup protection. Cyclone Backwater Ball Valves are mechanical devices that are designed to allow the flow of water in one direction only away from your property.  This is used on a sanitary sewer lateral, they can offer a decrease in risk of sewage backup if installed properly and maintained adequately. Cyclone backwater valves are ideal for water/raw sewage applications. Thanks to our reliable backflow prevention device, which provides reliable operation, and all plastic highly corrosion-resistant construction. Cyclone valve features a full flow design, providing maximum flow for each ball valve and a positive seal with minimum back pressure when the flow stops. Our valves are installed in the sewer line ahead of any fixtures. In the event of sewage being forced back into a property during a flood event, the ball inside the valve is closed within the valve to prevent the sewage from entering the dwelling.

Our sump pump check valve is one of the best check valves in the USA market.  We are dedicated to providing property owners with the very best solutions to help you reduce the risk of a destructive health hazard sewer backup flooding. Even if you already had a flood there are solutions that will help you prevent sewer backup flooding.



MODEL CV704 – 2 1/2″ SUMP PUMP BALL CHECK VALVE 2.5 inch sump pump ball check valve by Cyclone Valves

Additional information


1 1/2 to 3″

Valve Parts

1-1/2 Polypropylene Ball
2 -Washers
2 -Poly Threaded rings
Pressure Max: 150 PSI
Temp Max: 180°F (80°C)


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