diagonal vent

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Old 06-24-11, 03:19 PM
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diagonal vent

I have a toilet on the first floor but in the crawl space the toilet drain doesn't have a drain vent. I am thinking about put in a drain vent that runs diagonal about 20 feet to the main vent pipe. Any restrictions against horizontal vent or a diagonal vent in the this case?
 
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Old 06-24-11, 03:49 PM
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Your vent pipes must be angled from the original vent pipe to the fixture downward and your connection to the vent pipe must be inverted. Mike will be along with better ideas shortly, so hang in there.
 
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Old 06-24-11, 03:57 PM
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Are you sure there is no vent?

The toilet drops in the crawl and there is 20 ft of 3 " pipe with nothing else attached?

If the bathroom sink ties into that line, that would be the vent.

Please give more info on all pipeing if you can.

Mike NJ
 
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