This hub drain assembly connects a six-inch drain to a main waste line through a four-inch P-trap with a six-inch vertical clearance above the finished floor and a minimum eight-inch clearance below. A trap primer connected to a half-inch cold water supply maintains the water seal. A four-inch cleanout is provided on the vertical stack, which extends upward as a two-inch vent through the roof.
30" 6" 8" MIN. 4" 2"VTR 4"WCO 6" TRAP PRIMER 1/2"CW 6"
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