Amazon.com: 1 1/4 inch PVC True Union Check Valve, 1-1/4-Inch Slip Swing Full Port Utility Check Valves, Sch80 Socket Pool Ball Check Valve for Backflow Prevention Irrigation Systems : Industrial & Scientific
TC10200STE - Hayward TC10200STE - 2" PVC TC Series True Union Ball Check Valve w/ EPDM O-Ring - Gray (Socket x Threaded)