Utility sink drain into sewer cleanout?

Old 09-08-05, 01:15 PM
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Utility sink drain into sewer cleanout?

Hello guys,
I would like to install a utility sink behind my house on the patio where we barbecue and spend a lot of time in the pool, etc. The only sink is on the second floor of my bi-level and it's a drag to go up the stairs to wash a few dishes etc. On the patio floor right next to the foundation is a cast iron pipe about 5" diameter with a cleanout cap with the square nut. My friend told me it looks like it is a sewer cleanout line which must go under the cement slab of the house and didn't know if I could drain into it. Can you give me some advice as to whether I can do this? There is no alternative as there is no space in the laundryroom for an inside sink. Any suggestions? Thanks for any advice.

Old 09-08-05, 02:13 PM
majakdragon's Avatar
Join Date: Jul 2003
Location: N.E. Arkansas
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I have heard of and seen this done. That is NOT to say it is Code compliant. It would cause you the loss of the clean-out unless you used a Wye fitting and put a cap on one inlet. Good luck.

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