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Old 03-07-2012, 07:58 PM   #1
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Vent questions


I've been trying to learn the do's and dont's of plumbing..while tearing my bathroom apart I discovered that the toilet was not vented at all. I wanted to make sure I did everything correct and made a few diagrams.

My drawing ability is not very good so let me know if you have any questions.

Would both setups work for vent purposes?
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Last edited by REXAMUS; 03-07-2012 at 08:03 PM.
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Old 03-08-2012, 08:58 AM   #2
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Vent questions


A toilet does not require a separate vent. It's connection to the main stack is the vent.

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Old 03-08-2012, 09:03 AM   #3
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Vent questions


Typically if its within 5' of the vent stack you are good to go. Check your local plumbing code just to be safe.
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Old 03-08-2012, 09:33 AM   #4
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Vent questions


Quote:
Originally Posted by md2lgyk View Post
A toilet does not require a separate vent. It's connection to the main stack is the vent.
Here, each fixture has it's own, including toilets.

Please check your local code to be sure that what you are doing is OK.
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Old 03-08-2012, 03:59 PM   #5
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Vent questions


hard to tell from drawing what is what but all vents have to be higher then fixtures buy at least 6 inches
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Old 03-08-2012, 11:11 PM   #6
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Vent questions


Here's a more realistic view of the second one....I'll check my local codes too.

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Old 03-08-2012, 11:20 PM   #7
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Vent questions


to me it is vented you can run so far before the vent is needed and you are under that distance
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Old 03-08-2012, 11:37 PM   #8
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Vent questions


Yea, I found this so I should be good. Anything is better then NO vent like it was previously.

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Old 03-08-2012, 11:49 PM   #9
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some codes say you do not need to vent the toilet
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Old 03-09-2012, 07:45 AM   #10
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some codes say you do not need to vent the toilet
Quite so. The applicable code where I built my house three years ago was IRC 2003. Venting is handled much differently than in the more common UPC. My toilets are not separately vented, all my vents combine so I have only one roof penetration (the main stack), and there' an AAV venting the kitchen sink. Everything works just fine.
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Old 03-14-2012, 09:06 PM   #11
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Vent questions


Is it acceptable to tie the tub drain into the toilet using a wye? Are there any other ways that may be better to do this?
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Old 03-14-2012, 09:32 PM   #12
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Quote:
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Yea, I found this so I should be good. Anything is better then NO vent like it was previously.

THat diagram is International code

Uniform code is quite different
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Old 03-14-2012, 10:04 PM   #13
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Quote:
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THat diagram is International code

Uniform code is quite different
That chart came from the online publication for my local code.
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Old 03-14-2012, 10:16 PM   #14
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Quote:
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THat diagram is International code

Uniform code is quite different
That chart does not apply to the toilet. .. Showers tubs sinks etc trapped waste arms. Not the W/C
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Old 03-14-2012, 10:22 PM   #15
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Quote:
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Is it acceptable to tie the tub drain into the toilet using a wye? Are there any other ways that may be better to do this?
You cannot connect a fixture on the toilet waste arm as in this drawing.

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