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Introducing Zoeller Check Valve - an essential component for maintaining a smooth and uninterrupted flow of water in plumbing systems. Made from durable PVC, this check valve is built to withstand the wear and tear of daily use and ensure years of trouble-free service. Designed specifically for pipes or tubes sized at 1 1/2 inches, this union check valve features a single flow design that allows water to pass through in one direction while preventing backflow. Ideal for use in residential and commercial applications alike, the Zoeller Check Valve is perfect for protecting water supply lines, irrigation systems, and industrial equipment from potential damage caused by backflow. With its reliable performance and cost-effective price point, this check valve is a must-have accessory for any plumbing project that requires consistent water flow and maintenance-free operation.