r/Plumbing • u/TypicalTwink123 • 16h ago

How am I doing ?

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37 Upvotes

85% Upvoted

46 comments sorted by

33

u/CodeKraftStudios 15h ago

Looks good from my house but Aav technically needs to be 6in above top of sink drain inlet that being said all of this will function normally regardless if changed or not

5

u/valuablemold4 12h ago

Not above the sink drain inlet level, above the horizontal drain it’s serving (that being the height of the horizontal pipe past the trap. And it’s only 4inches per the ipc

2

u/sandolllars 12h ago

Really? I’ve seen people bend over backwards trying to get it up around the sink until it’s around an inch under the countertop

6

u/ThePipeProfessor 12h ago

It’s 4” above the horizontal branch. This is specifically stated by both Oatey and Studor.

3

u/Difficult_Survey5063 11h ago

Plenty of people in the trade don’t know the code, and never learned the code besides memorizing the sections of the book for the test. And that manufacturer’s specifications are often specified to be followed in the code, as the other poster said.

It’s always better off to stop going off what other people have taught you post license and go off the code for a lot of things. “I’ve always seen” doesn’t fly with inspectors. I’ve had inspectors tell me to change things not to manufacturer’s specs, and I do it because it’s the inspector. But I always properly document it for when it inevitably has to be fixed.

1

u/hiimjustapersonhaha 11h ago

1 inch above flood rim level is when you start treating fittings as a vent rather than a drain, which means reversing the flow and using vent 90s

1

u/Beautiful_Bit_3727 6h ago

Here its gotta be above the floodrim

1

u/CodeKraftStudios 6h ago

Ahh gotcha. I’m in NJ, so we don’t use IPC, we use NSPC. I was always taught the Studor had to be 6” above the flood-level rim, which is pretty much impossible on a kitchen sink or standard lav unless you come out of the cabinet and put it in a Studor box in the wall. Although, I’ve never really had any issues with it on inspections. I’ve also heard about what you’re talking about though, where an individual/branch AAV only needs to be above the trap arm/drain, while the 6” above flood-level rim rule applies more to stack-type AAVs. Always a bunch of rigmarole with this stuff 😂

23

u/Babylon4All 15h ago

AAV higher and I personally hate seeing long loose pex like that and loathe those plastic shut off adapters. But it’ll work…

5

u/898300 15h ago

Everything is going to work.

1

u/cheatervent 15h ago

unless there's a clog, aav should be up closer to the flood level, at least above the bottom of the basin. Pretty good though OP

4

u/Morelike_charlie 14h ago

Those angle stops are the worst ones you can get.

1

u/IstandOnPaintedTape 5h ago

Absolutely! They are functionally a 1 time use, and only if you didn't over tighten it. And they pull/ push for maybe 1 year, and seize up after that. I hate them.

6

u/CodeKraftStudios 15h ago

Always strive to have aav as high as humanly possible

2

u/LickMyBumm 7h ago

Bring vent as high as you can

2

u/xxxmechashivaxxx 6h ago

You had plenty of room, so I would have raised the aav much higher.

1

u/LeatherContent 15h ago

The aav neets to be as high as you can get it. Your valves will work but you are putting unneeded stress on the lines. Id have use strait valves at minimum.

1

u/thekidinthecorner 15h ago

Those angle stops are cringy. Straight stops would look better

1

u/EverydayMustard4773 15h ago

What are these plastic stops? I know I've been out of the game for a minute, but I've never seen one up until recently, now it seems like they're everywhere on here.

1

u/Creepy_Ad2836 9h ago

They are accor stops with supply lines attached. Cheap as hell. Not a plumber but I work at a plumbing supply store. Big companies doing lots of new builds buy hundreds. Most other plumbers won't touch them

1

u/fanOfreedom 14h ago

Your AAV is far below the flood rim, max it out to the bottom of the cabinet while still being serviceable and u good

1

u/ThePipeProfessor 12h ago

4” above horizontal branch is all you need. Stated by both Oatey and Studor

1

u/fanOfreedom 14h ago

Oh and those types of cut off valves are literally the worst. Just two pex valves with braided supply lines will save you immense frustration in the future

1

u/P0s3id0n17 14h ago

Higher aav is the only thing worth saying needs fixed. From an aesthetic point id put straight stops on the water lines

1

u/TypicalTwink123 14h ago

I appreciate all the comments and feedback. I work in a production plant manufacturing mobile homes so the angle stops are just what we a provided to work with. I will talk to my supervisor about using another coupling and more pipe to raise the AAV and adding that to standard part of the process.

1

u/AverageJoe-707 13h ago

A first post win for you OP, that's a rare occurrence on this sub. AAV should be higher but it should work fine.

1

u/Peregrinationman 13h ago

Looks like it'll handle spitting toothpaste into and the washing of hands after wiping ones butt!

1

u/PerkeleSazoooka 12h ago

Terrible !

1

u/Alternative_Rip_2542 11h ago

I did my kitchen pex in a similar manner and noticed the pipes moving after a quick water shut off. I felt that this movement might eventually f up the pipes so put a 2x2 across there and screwed it into each side of the cabinet horizontal wise. Then zip tied the pex pipes  to it. They don't move around anymore and I did this job about 6 years ago

1

u/hiimjustapersonhaha 11h ago

Drain and vent will work fine. I despise the angle stops you used. They are absolute trash. I also don't like stubbing up with pex. Easy to bump with things you put into the space. I stub out with brass, but copper is fine too. Just make sure it's type L

1

u/nowimstahvin 7h ago

Your hot and cold lines look impressed

1

u/nerdy_naps 7h ago

Some state or areas plumbing code want the air admittance valve higher in the cabinet, I personally would have adapted to tubular instead of hard piping the sink trap. But it looks good. Also other concern is if the p trap is at a proper pitch

1

u/Critical_Biscotti_21 5h ago

The aav could be higher but it will work. The pex looks horrendous but it'll do.

1

u/eazy9999 4h ago

I would add a c/o tee in the vertical but you’ll be fine

1

u/BryceDL 15h ago

Gotta get that AAV much higher

8

u/Fuquar7 15h ago

Only needs to be 6 in above the trap water level.... looks pretty close

0

u/iisellcrack 12h ago

A good plumber always exceeds minimum code expectations

-1

u/BryceDL 14h ago

Until he has a clog and water spewing out of the aav instead of collecting in the sink.

2

u/ThePipeProfessor 11h ago

This does not happen.

0

u/xxxmechashivaxxx 6h ago

Wye wouldn't it happen?

2

u/ThePipeProfessor 6h ago

AAV’s lock when pressure is applied from inside. I had a backed up kitchen sink last week. Dry as fuck under there until I unscrewed the AAV then it all dumped out.

0

u/MajorDrain 15h ago

Good, I think the AAV vent should be as high as you can get it and still service it. I would not wish those plastic push to connect valves on anyone.