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    greg3636's Avatar
    greg3636 Posts: 4, Reputation: 1
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    #1

    Feb 19, 2010, 12:26 PM
    Can I tie new gray water into preexisting bsmt floor drain
    Finishing bsmt adding full bath want to know if I can and how to tie shower and tub into existing floor drain
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Feb 19, 2010, 05:36 PM
    Hi Greg...

    If you are adding a full bath to the basement you will probably be better off connecting the tub/shower into the sink drain below the floor. This way you can use the vent from the sink to act as a wetted vent for the tub/shower AND the toilet... ;) The sink drain and vent would need to be run full size 2" all the way to connect into a 2" or larger vent in the building.

    Finally, not all codes allow for wet venting so be sure to check your local plumbing codes to be sure it is allowed.

    Let us know if you have questions on this... O.K?

    MARK
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