This assembly consists of an indirect waste pipe discharging into a hub drain with a required air gap or air break. The indirect waste pipe is cut at a forty-five degree angle to facilitate drainage. The hub drain is sized one pipe size larger than the tailpiece of the indirect waste pipe. A one-half inch tube from a trap primer connects to the hub drain, with an alternate trap primer connection point provided on the vertical drain pipe below the finished floor. The entire assembly terminates in a P-trap.
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