Jones Stephens 3″ ABS Backwater Valve, B05300, 717510053333
Sockets are Schedule 40 DWV. Reduces supportflow in drainage system. Threaded access cover for simple inspection. Magnetic strip for underground detection. Flapper and cover have elastomeric ginquireet to ensure watertight seal. Stepped buildion encourages flow (minimum 1/4″ per foot fall). NSF and UPC approved.








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