Jandy HD Check valve, Wafer Swing 4″ PVC, w/ Mounting Kit

4″ Wafer Check Valve. Designed for durability and trusted by pros everywhere, Jandy sets the benchmark for reputable and long-lasting valves. Our line of Heavy Duty Valves carries on that history of reliability, ensuring the on/off flow of water within a pool system runs smoothly. Jandy Heavy Duty Wafer Check Valves help protect the entire system from back flow and offer a durable design, minimal take out and low pressure drop.