A.Y. McDonald Mfg. Co. is a leading manufacturer of Waterworks Brass, Plumbing Valves, Pumps and Water Systems and High Pressure Gas Valves and Meter Bars. The Company has distinguished itself with a proud tradition of quality and reliability since its founding in 1856.
A.Y. McDonald Mfg. Co. has a long tradition of trusted quality and dependable service. A.Y. McDonald bronze gas plug valves are intended for natural gas and propane gas applications at ambient temperatures between 32 and 125 Fahrenheit. Gas plug valves are not intended for use with potable water.
However, counterfeit parts bearing the A.Y. McDonald marking have been found in the commercial marketplace. You are not buying authentic A.Y. McDonald quality when you buy a counterfeit.
Authentic A.Y. McDonald 10558 Gas Plug Valve - Level Handle With Top Check.
Comparison of 1/2" lever handle plug style low pressure gas valve
The valve on the left is a counterfeit but bears
markup similar to McDonald valve.
1" lever handle low pressure gas valves - plug style.
The valve on the left is a counterfeit and has a fused handle. The valve WILL NOT CLOSE.
Comparison of 1/2" lever handle plug style low pressure gas valves.
The valve on the left is a counterfeit and has a fused handle. The valve WILL NOT CLOSE.
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