Connecting 2" shower drain to 3" toilet drain
Posted by Craig Long on December 28, 2002 at 19:59:54:
I'm installing a new shower in a different location from the old bathtub. If I try to utilize the existing 2" drain line connection to the main drain that the old tub used the toilet drain line is in the way. Is it allowable to install a Y in the 3" toilet drain and connect the 2" shower drain there. Then I can just cap the old tub drain.

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