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lubyone1 07-08-2010 10:49 PM

Washer drain pipe and adding a utility sink
Hi all,

I'm new to the forum so go easy on me! I've tried to find information regarding my question and I can't seem to find an exact match to my scenario.

I'm looking to add a utility sink to my current laundry room setup and I think I have the right idea (got most from this site) but as I mentioned above..I can't find an exact match to my scenario. Will my microsoft paint scenario below work? Do I need to add a vent pipe to my utility sink drain line?

I've attached two pictures of what my current plumbling looks like and one of what I think I could do. I'm basically wondering if anyone can chime in and let me know.

For reference, my washer/dryer are stacked and butt right up agaist that recessed washer plate and I'm hoping the sink can go right next to it.


Alan 07-08-2010 11:25 PM

Where are you located?

Around here, we would have to provide a separate vent for the sink, and then revent it into the C/W vent. What you have there is an "S" trap, and they are legal some places and not others.

lubyone1 07-08-2010 11:37 PM

Hi Alan,

I'm located in Wisconsin.

Would either of the additional two images suffice? It sure would be nice to not have to rip out that entire wall to install the vent pipe :)

Thanks again for your help,

Alan 07-09-2010 10:05 AM

I don't really know anything about wisconsin plumbing code, but I can guide you based on what I know about my own.

How far away is the sink location from where the new vent is drawn?

lubyone1 07-09-2010 11:36 AM

Less than 2 feet away from the vent pipe

Alan 07-09-2010 11:56 PM

1 Attachment(s)
Hope this helps

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