Z1440 Series 6 in Round Top Floor Drain, Gray

SPECIAL ORDER ITEM. Review Returns Policy before purchase. A backwater valve designed to protect plumbing systems from sewer line backflow and potential flooding. The coated cast-iron body provides strength and corrosion resistance, and the internal flapper allows normal wastewater flow while automatically closing during reverse flow conditions. An accessible cover allows inspection and cleaning, and the no-hub connections support secure installation with standard piping. Suitable for basements, mechanical rooms, and other lower-level areas where drainage line are susceptible to municipal sewer surcharge.