The Boss Tee – Another Contractor Friendly Product from Jay R. Smith Mfg. Co. The Idea: The idea evolved from two mechanical contractors who shared with Jay R. Smith Mfg. Co. a better way to perform hydrostatic testing of DWV piping system. Each approach made sense and was working well for each contractor. Abbott Industries, one of the contractors and an MCAA member, had an idea that involved a modification to a standard cleanout tee

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