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Plastic Oddities

Backwater Valve

Backwater Valve

SKU:PBF380 - 080434406098

Regular price $37.50
Regular price Sale price $37.50
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The backwater valve is a one-way valve that is installed on a building’s lateral sewer. A properly installed and maintained backwater valve will prevent the sewer from backing up and flooding a building.  Manufactured and assembled in the USA by Plastic Oddities, “Friend of the Plumber”.  The cover is secured to body with four bolts and gasket to provide a positive seal. Quality Plastic Oddities parts – since 1975.



  • Non-corrosive flexible PVC flapper provides seal against backflow
  • Cover is secured to body with 4 bolts and gasket to provide a positive seal
  • Threaded brass inserts for attaching cover.
  • Made in the USA



  • 3” fits over 3” SCH 40 DWV pipe
  • 4” fits over 4” SCH 40 DWV pipe



Additional Information: This product is also available in ABS. For availability and pricing please call us at 800-863-1367 or email us at Minimum order may apply.

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