Mr.Plumber@Lowes got me in a jam

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sink-drain-mess.jpg

What did I do wrong the drain is even slower:
I came home with the valve and some instruction from Mr.Plumber@Lowes and found that I did not have enough room between the p-trap and the wall to fit what was suggested. I went back and the same guy suggests that I go around the p-trap in order to fit the t-connection in that the air admittance valve attached to. What I have shown in the photo is what was suggested to me and now I think the drain is even slower.

http://imgur.com/a/1FIxj

posted here from a request from reddit https://www.reddit.com/r/HomeImprovement/comments/50jjcz/need_help_with_a_super_slow_drain/
 
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Dj2

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Live and learn.

Cut it all out and start anew.

This time make it to code. It will work.

And Lowes will thank you for keeping them in business.
 

Dj2

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These plumbing specialists probably came from a whole food store, searching for more benefits.
 

Terry

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I would think that you already have a vent in the wall and that the AAV was not needed.
If you needed more room, the simple solution would have been, one 45 aimed past the drain and then the trap would swivel back to catch it.
But you did make us laugh today.
Often when a lav drains slowly, it's the pop-up assembly that has hair or goo in it. You can remove the stopper and clean out that section.

An AAV does not slow down draining. It's a fix for a non-vented drain. If the drain in the wall was un-vented, the trap would have siphoned. Venting, and AAV's break the siphon to prevent the p-trap from sucking dry.
 

Cool Blue Harley

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Seriously though, you cut the bottom of the cabinet and nestled the lower dip of the p-trap into the hole so that the outlet end of the fixture drain would not extend below the weir of the trap. Congratulations and good job.

I've seen plenty of guys who call themselves plumbers screw that one up!
 

hj

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quote; Is this a joke?

No, he said he did it on the advice of an "expert" at Lowes.

quote' Congratulations and good job.

If you think this is a "good job" I wonder what it takes to be a bad one.

One more tee and he would have had a "pressure balancing loop".
 
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Cool Blue Harley

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There is NOTHING correct about that drain and the AAV would do NOTHING to make the drain run faster.

You are wrong. There is ONE THING correct about that installation. Provided the fixture trap is vented in the wall as Terry and I suspect (see posts above) then the trap arm outlet/vent intersection is not below the weir of the p-trap. The bottom of the cabinet has even been removed to allow for this. For this singular act, I say, "Congratulation and good job."
 

hj

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If that is your opinion, so be it, but I would NOT give that job a "green tag" And by the time it is corrected the cut out will probably be wrong for the new P trap orientation. And, a 1/16 bend right at the wall would have eliminated ALL the rest of the stuff, including vent 90s for the drain line.
 

Reach4

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If that is your opinion, so be it,
Cool Blue Harley is just having fun with semantics. He agrees that this is not a reasonable installation.

And note that OP has never seen this installation. He is looking for info to post back onto a different site.
 

hj

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Some readers might not understand sarcasm and think he was serious. From his posting it appears he HAS seen this configuration because he says it now flows even worse since he did it.
 

WJcandee

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What is interesting here is that the poster went into Lowe's with a fundamental misunderstanding of how plumbing works ("I needed to add air because the lav didn't have an overflow and that's why it's running slowly."), and the plumbing guy there indulged his misunderstanding, rather than correcting it. He then provided him with the wrong fittings for drainage, and a plan that's so laughable that I'm convinced this is actually some kind of joke.

Most likely, the original slow drainage is the result of what it usually is -- some kind of obstruction -- and the "fix" of course made it worse. The fundamental principle that water doesn't run well uphill is one that even this DIY-er should have understood.
 

Dj2

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Look at the picture carefully: It could not be in operation, the parts don't seem to be primed and glued.

Fake posting? fake story about "Lowe's specialist"?

The poster's silence speaks volume.
 
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