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closet arm drain
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  1. Plumbing
    I have a 3" closet arm, on the first floor, appox 4', properly vented with a 2' vent pipe. The horizontal drain then changes direction, after the vent, 90 deg with Wye connector to attach to the horizonal drain pipe. The Wye is a clean out on the up stream side. The next connection is a sink 5'...
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