old vent to new vent

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Old 12-01-08, 10:39 AM
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old vent to new vent

I built an addition & in the process the roof tie in covered my vent stack. However a new vent stack was made to accomodate the new baths. Can I tie the old into new or do I need to vent the old through the roof? If so what pvc products do you recommend? They're approximately 10' appart.
 
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Old 12-01-08, 01:10 PM
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vents

There should be no reason you can't tie into the new stack as long as there is no obstruction for the air to vent. Make sure there are not any low spots in the connection so that water could be trapped and clog the vent. Also if you are being inspected you might want to check the local building codes.
 
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Old 12-01-08, 02:43 PM
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Not a plumber but I think there is a code requirement that limits how many fixtures may be vented according to the size of the vent pipe.
 
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Old 12-02-08, 07:56 AM
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Yeah, definitely check local codes, because once tied in, the old stack would most likely classify as a branch, by what you are saying, and depending on your codes, may need to be resized.
 
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