Prevent backflow into your sump pit with an A.Y. McDonald Mfg. Co. Sump and Sewage Check Valve, which includes our sought after silent sump pump check valve. With rubber hose coupling, true union, and compression swing options available, get the results you’re looking for with a little help from A.Y. McDonald Mfg. Co.

For product inquiries and ordering information, feel free to contact us.