Extra drain - convert to vent?


  #1  
Old 07-06-07, 01:37 PM
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Location: Orange County, New York
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Extra drain - convert to vent?

Up until a few days ago, my washing machine was located in my kitchen. It's a joy to finally get that outta there and into the basement. Anyway, when it was installed years ago, whoever did it tapped into the drain line coming from the sink downstream about 2 or 3 feet. Towards the end of the drain (about 10 feet further down) there is another vent near the end which I've been told is called a "sweet air" vent. I was wondering though - instead of sealing off this drain and leaving it in the wall, could I convert it into a vent to help the kitchen sink drain? I was thinking I could extend it up a few feet and vent it outside. I'm not sure if it's necessary but I figure it couldn't hurt. Or could it?
 
  #2  
Old 07-08-07, 08:43 PM
Join Date: Aug 2003
Location: KY/OH
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Most states don't allow outside piping for the vent, yours may.

All drains "should" have individual vents for drains. Some states allow otherwise but the idea you have helps.

On a 2" drain, the vent maximum from trap to vent is 5'. If you can get that vent closer to the kitchen sink, it would work even better.
 
 

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