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Old 03-13-2006, 08:55 AM   #1
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sink vent?


Is it true that if a bathroom sink is within a certain distance of the sewer drain/vent stack that the sink doesn't need a vent?

If so, then what is the distance?? (3 feet, 5 feet, 7 feet???)

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Old 03-13-2006, 10:34 AM   #2
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sink vent?


No that is not true. Every fixture needs a trap and a vent after it.
Mike

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Old 03-13-2006, 09:36 PM   #3
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sink vent?


Are you referring to an Air admittance valve ?
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Old 03-13-2006, 09:55 PM   #4
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sink vent?


In Calif the allowed distance is 2 and 1/2 feet.
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Old 03-15-2006, 09:46 AM   #5
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sink vent?


Can two fixtures share a common vent? I have a hot tub I want to install in my basement, and there is a utility sink with a vent attached in the basement, going up to the roof. Can I tee off the drain line for the sink with the hot tub drain and use the same vent? Both sink and tub have traps installed. Thanks.
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Old 03-17-2006, 08:05 AM   #6
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sink vent?


Quote:
Originally Posted by Mike Swearingen
No that is not true. Every fixture needs a trap and a vent after it.
Mike
what is 'wet' venting?
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Old 03-13-2008, 04:32 PM   #7
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sink vent?


Quote:
Originally Posted by Scott_K View Post
Are you referring to an Air admittance valve ?
Please explain air admittance valve concept. Accepted by code?

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