PumpSpy 2 in. Silent Clear Sewage or Sump Pump Check Valve

Engineered to allow for maximum flow from your pump. PumpSpy in.full-flow in. check valves prevent the water that remains in the discharge pipe from falling back into the pit. This avoids pumping the same contents twice, extending the life of your pump. Features a clear valve body so that movement of pumped content is visible, making it easier to verify that your pump is flowing properly and the valve is seating when closed. The unique spring-loaded flapper eliminates the water hammer noise of standard check valves. Comprised of durable ABS construction for years of service and reliability. Includes 2 inch Buna-N rubber couplings for connecting the check valve inline with 2 inch discharge pipes. All check valve connections feature stainless steel hose clamps to prevent rust and corrosion while providing a secure, leak-proof connection.