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  1. Montan

    Number of toilets on 3" drain

    Reviving this thread because I’m facing a similar situation. Looking at Table C 304.2 footnotes, 2021 UPC specifies that a 3” main drain is limited to three WC or bathroom units for single house residential. Can anyone explain the discrepancy between the footnotes in tables 702.3 and C 304.2...
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