Re: looking for a special vent type for under bathroom sink

Posted by e-plumber on December 24, 2003 at 15:13:39:
In response to Re: looking for a special vent type for under bathroom sink
: I am remodeling my bathroom and adding a sink in a location where I cannot add a drain vent to the outside. I understand there is a special type of plumbing vent I can install under the sink inside the sink enclosure. : Can you tell me what type vent this is so I can try to find one. Reply: You do not need to add a drain vent to the outside, only tie it into an existing vent, if you're remodeling a bathroom then there are vent lines there... What you're asking about is not allowed by certain plumbing codes, it's called an air admittance valve, it's a mechanical vent that has the potential for failure. I guess you figured out by now that I don't use this type of vent and you shouldn't either if it's against your local code. Good Luck & Happy Holidays. e-plumber

Posted by e-plumber on December 24, 2003 at 15:13:39:

In response to Re: looking for a special vent type for under bathroom sink

: I am remodeling my bathroom and adding a sink in a location where I cannot add a drain vent to the outside. I understand there is a special type of plumbing vent I can install under the sink inside the sink enclosure.

: Can you tell me what type vent this is so I can try to find one.

Reply:
You do not need to add a drain vent to the outside, only tie it into an existing vent, if you're remodeling a bathroom then there are vent lines there...
What you're asking about is not allowed by certain plumbing codes, it's called an air admittance valve, it's a mechanical vent that has the potential for failure. I guess you figured out by now that I don't use this type of vent and you shouldn't either if it's against your local code.
Good Luck & Happy Holidays. e-plumber

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