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TonyFugginMontana OP t1_iy93md7 wrote

Reply to comment by ATX_native in Garbage Disposal wired directly into Dishwasher - fixing wiring and adding outlets by TonyFugginMontana

It's coming from an air-gap above the sink--where the dishwasher drain currently goes--and goes into the main drainage away from the sink at the bottom.

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ATX_native t1_iy94l5e wrote

You could have some downward pitch to the drain pipes coming from the sink and disposal.

However your setup looks functional.

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TonyFugginMontana OP t1_iy94wth wrote

Thanks!

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dominus_aranearum t1_iy96omv wrote

It's definitely an odd setup but functional. Normally the dishwasher would drain into the disposal after the airgap.

My only concern would be where the dishwasher drain ties into the main line, the connection needs to be a long tee wye (because it's horizontal) and while difficult to tell from the picture, doesn't appear to be anything more than a sanitary tee.

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TonyFugginMontana OP t1_iy9cc0v wrote

From my brief googling of the difference, I think you are right that it is a sanitary tee, not a wye.

I took another photo from a different angle:

https://i.imgur.com/UKixPEl.jpg

I suspect that the disposal was added after the fact, which would explain a lot of this. I guess I could knock out the plug and put the drain into the disposal and just cut and cap that whole drain from the air gap. I haven't decided but I'd probably go with the path of least resistance since this has been working.

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dominus_aranearum t1_iy9duvy wrote

That would be my guess as well. I probably wouldn't mess with it if it's working, just know that if there's a block, that's a good place to look.

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