Garbage disposal not draining


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Old 02-03-24, 12:57 PM
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Garbage disposal not draining

we just bought a new sink that is slightly deeper than our old sink. Our garbage disposal was working fine, but now that my husband has reinstalled it, itís not draining. It turns on and seems to spin but just doesnít drain. We checked for blockages in the pipes too and didnít see any. Can anyone tell if there is something wrong with this installation image?
 
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Old 02-03-24, 02:27 PM
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Not sure if it's 100% to code but it should at least drain ok.
The part in red is removable.
If the sink is draining ok... remove the piece in red and check to the stack and make sure disposer drains.

 

Last edited by PJmax; 02-03-24 at 04:35 PM. Reason: updated pic
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Old 02-03-24, 03:26 PM
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The trap arm might be too long... if it is jammed back into the elbow too far it will cause a clog. Cut it shorter and reassemble it. That will also him to straighten out (plumb up) the elbow coming out of the disposal. Or the disposal will also rotate if that helps matters any. Looks like it could rotate to the right 1/8 turn.... 4" or so.

Left sink has an s trap which should be avoided. S traps can siphon allowing sewer gas to escape.

Could also be a venting issue, hard to tell... we don't know what it looked like before.
 
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Old 02-03-24, 04:40 PM
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I updated my picture. Those dimensions shown are from Insinkerator.
They show 6" from bottom of the sink to the center of the discharge.
They show 4" down from that for the bottom of the drain.
That would mean 10" from the bottom of the sink to the bottom of the drain.

I went thru this as my drain is high but in the wall.
Very little way to fix without ripping the wall open to access the steel pipe.

You may have to reduce the fitting count. Use one less angled fitting.
 
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Old 02-04-24, 01:15 AM
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Hmm. That's a bizaar setup. I would try to simplify and make it more like this:

 
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