Utility tub installation

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johni111

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I've wanted for some time to install a slop sink in my utility room. I notice that about 16" to the left of the washer standpipe there is a 2" capped black plastic pipe sticking about 3" out from the wall. This pipe is 21" above the floor. I was hoping that this is a waste line the builder put there just for the future installation of a utility sink. Is this possible or might this pipe have some other use?
 

johni111

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No stubouts

I'm thinking of screwing on wye adapters onto the hot and cold water supply valves for the washer to get water to the utility tub. Make sense?
 

Shacko

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That pipe could be a clean out for an extisting fixture. You have to check to see if anything is tied into it, if so tying into that line will require a vent going up to your venting system.
 

FloridaOrange

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That pipe could be a clean out for an extisting fixture. You have to check to see if anything is tied into it, if so tying into that line will require a vent going up to your venting system.

Correct but I was guessing and haven't seen many cleanouts sticking out 3" from the wall.
 

hj

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pipe

But 21" high is a bit much for a laundry sink. Depending on what the pipe actually does, it may not be properly vented either. I doubt that anyone would install a dedicated riser for a future fixture not knowing if it would ever be used.It could be a cleanout and the 3" is so it would project out of the wall if the area were ever finished. One clue would be whether it is sealed with a screwed plug or a glued on cap.
 

johni111

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Cleanout?

I checked and realized that the cap is a screw on type. I suppose this means that it is intended as a cleanout. There is a floor drain in the room. Perhaps I could situate the new sink there and route the waste line to the floor drain.
 
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