Vented & dishwasher discharge

Sink drain gurgled when tested. What do you suppose the cap is for & do you think it is vented properly?

House on Saturday had the diswasher discharge into the basement shower.

I always like to take a shower & then spray myself with the dishwasher residue. Nice!!

Thanks

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first pic may be misleading, but it appears the horizontal run after the trap is negatively pitched.

if so, that’s likely where the gurgling comes from.

i would think the cap would make for an easier snaking.

to comment on venting, i would have to no where this drain leads to.

May I use these photo’s in a Power Point presentation?

I love the dishwasher drain to the poorly installed basement showerstall. :wink:

It may be a long time before it gets made though. I have a lot on my plate right now.

Please feel free to use the pictures.

First pic is a cleanout. Gurgling is usually a venting problem. The dishwasher hookup would be wrong because the compression fittings are not readily accesable. Were they are would not be considered accesable.