Re: Is drain vent needed for utility tub in basement?
Posted by hj on April 23, 2003 at 08:58:20:
In response to Re: Is drain vent needed for utility tub in basement?
Not really since in this situation there could be a positive pressure created by the water coming down the stack and an air admittance valve cannot relieve positive pressure.

: Sounds like a good application for an in-line vent under the sink if you have room and if your local code will permit it. Go to www.oatey.com and look at air admittance valves under the product menu.




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