Introduced by the Peterson Valve Company, the PV-4300 is extremely simple in design and principle and is virtually maintenance free. It is the most advanced development to date in waste backwater valve technology for home applications.

The PV-4300 design is free from timely maintenance, with assured continuous, reliable performance. The PV-4300 functions automatically, with the option to close and / or re-open it manually.

Finally, you can protect your home from expensive damage caused by wastewater, or sewer backups.

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Peterson Valve Company waste backflow backwater valves sewer backup valves - Peterson Valve Company backflow preventers