Please check my kitchen sink drain plumbing

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  #1  
Old 11-21-08, 09:55 PM
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Please check my kitchen sink drain plumbing

I have just dry fitted a drain for a new kitchen sink. Please look at the attached photos and send your suggestions. I want to make sure I have things right before I glue.

Some notes:
-the sink on the right is much smaller and less deep than the sink on the left
-in the left, just before the system goes into the wall, I have added a vent and a clean-out
-there is a dishwasher drain in the run between the two sinks
-please keep in mind that it loosly dry fitted, so everything will be tightened up

Thank you for your help and suggestions.

 
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Old 11-21-08, 10:59 PM
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Well for one, turn vent wye around.
 
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Old 11-22-08, 06:22 AM
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Turn the vent wye around? Wye? Why???
 
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Old 11-22-08, 06:53 AM
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I would think you'd want the outlet of the wye facing opposite of the water flow direction.

Dishwasher drains are usually placed in the tailpeice coming down from a sink basket.It's a specifically designed part.In this case it would have to be on the small side.I'm not sure it actually matters here but that's where they usually are placed.
 
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Old 11-22-08, 12:06 PM
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You want the sweep of the vent wye to point in the same direction as the drain. For one, it might get some water down it (if it's a real vent & not an AAV). And if there's a blockage beyond the vent wye, things can get caught in it that would be hard to clear later on. The air movement (bi-directional in a real vent and one-way in an AAV) will not have any trouble turning the corner.


http://tbn0.google.com/images?q=tbn:...n-fitting1.bmp
 
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