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Old 11-08-2012, 11:10 AM   #1
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How many 90 degree bends can I use?


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Is this acceptable? It is for a bathroom sink. As you can see, the plumbing comes out of the floor. The vanity has exposed shelves and it would look terrible putting a hole through the vanity, so I am trying to go through the wall.

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Old 11-08-2012, 04:16 PM   #2
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How many 90 degree bends can I use?


The drain system has zero problems, but where is the vent?

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Old 11-08-2012, 05:08 PM   #3
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How many 90 degree bends can I use?


I back tracked and put an AAV on the top, so now the last 90 going out of the wall is a tee with an AAV on top. I will be putting the vanity in front of it and drilling a couple inconspicuous holes to allow it to vent. Thanks!
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Old 11-08-2012, 05:19 PM   #4
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How many 90 degree bends can I use?


An AAV needs to be accessable.
Those supplys and drains should have been run though the wall not the floor.

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Old 11-08-2012, 05:25 PM   #5
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How many 90 degree bends can I use?


I know it. As a result I had to run the supply like I did the drain, entering the wall at the bottom and out by the waste drain. I cut out a section of the wall which will be hidden by the vainity, so I can still access the AAV by removing the vanity.
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Old 11-08-2012, 09:07 PM   #6
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How many 90 degree bends can I use?


also at least where i live you can not glue abs to pvc must stay all the same or convert with mechanical fitting
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Old 11-08-2012, 09:12 PM   #7
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How many 90 degree bends can I use?


Still trying to figure out since your not going to use the old steel pipe why it was not just removed and new pipe ran in the same spots.
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Old 11-08-2012, 09:49 PM   #8
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How many 90 degree bends can I use?


that whole thing is illegal.... where i come from..ben
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Old 11-08-2012, 09:53 PM   #9
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How many 90 degree bends can I use?


Same here.
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Old 11-08-2012, 10:27 PM   #10
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How many 90 degree bends can I use?


It is actually black PVC. The exposed pipe was painted black to conceal it better under the vanity. As I said, an AAV was installed on the top with access, also acting as a clean out. The pipe you see in the wall is old gas pipe. It was cut off like that, which I found when I opened up the wall.
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Old 11-08-2012, 10:47 PM   #11
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How many 90 degree bends can I use?


Where not there to see it, but just from looking at the sizes and spacing, I highly doubt it was a gas line.
I'm seeing two supply lines and and an old drain line.
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Old 11-08-2012, 10:54 PM   #12
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How many 90 degree bends can I use?


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Originally Posted by joecaption View Post
Where not there to see it, but just from looking at the sizes and spacing, I highly doubt it was a gas line.
I'm seeing two supply lines and and an old drain line.
All my supply lines in the house are copper. All my gas lines are steel. But your right, the spacing is too similar to water lines. ahh the joys of a 1920 house.
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Old 11-08-2012, 11:08 PM   #13
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How many 90 degree bends can I use?


Why would there be two gas lines" Why the larger line? And back in 1920's there was no copper lines for water pipes.
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Old 11-08-2012, 11:15 PM   #14
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How many 90 degree bends can I use?


I have piped the drain like you show and it passed inspection- sometimes structural stuff makes you get creative. AAV's are frowned on in my neck of the woods so I can't speak with a lot of experience but if you do it like this you should be good to go
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