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A.Y. McDonald Mfg. Co.
Manufacturer · Dubuque, IA
About A.Y. McDonald Mfg. Co.
Dubuque, Iowa manufacturer of waterworks brass, plumbing valves and fittings, natural gas valves and meter bars, and water pump systems. Waterworks products include corporation stops, curb stops, service saddles, meter valves, curb boxes, copper meter setters, and check valves. Plumbing products include ball valves, gate valves, frostproof sillcocks, check valves, supply stops, PEX fittings, and pressure tanks. Natural gas products include meter bars, ball and plug valves, bypass valves, and service regulators. Pump systems include 4-inch submersible well pumps, sump and sewage pumps, jet pumps, and booster pumps. All products comply with NSF/ANSI 61, NSF/ANSI 372, and AWWA standards. Founded 1856; family-owned to the present day.
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