WSC - Water Specialties Company

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The 2" Ames 400B began production in 1997 when the Watts Regulator Company purchased the Ames company. Ames began to market the Watts 919 series as their model 400B. There are minor exterior differences between the Watts and Ames, but internal parts are the same. The 400B is a three cover, bronze body device. Modular design check assemblies with replaceable seats. Relief valve is located on the bottom of the device and uses an internal sensing line. No special tools are required for servicing.

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