Jones Stephens 4" PVC Backwater Valve with Extension Kit and Plastic Lid

Jones Stephens B04401K Features:

• Covered under Jones Stephens's 1 year limited warranty
• Constructed of plastic
• Reduces backflow in drainage system
• Sockets are Schedule 40 DWV
• Kit includes: 16" sleeve, heavy duty plastic lid, and adapter
• Threaded access cover for easy inspection
• Magnetic strip for underground detection
• Flapper and cover have elastomeric gasket to ensure watertight seal
• Stepped construction encourages flow (minimum 1/4" per foot fall)