venting washing machine drain

lilafterDecember 15, 2007

i have a question regarding venting a washing machine drain.

would like to create a laundry area ideally in a small storage area or in my closet (last resort). i have no washer hookups currently. its for an ground floor apartment in a 2 story building and has a crawl space.

a plumber said to be done under code, he'd have to run a drain vent thru the plaster on the first and second floor to vent thru the roof.

is it possible to tie the washing machine drain vent to either the bathroom or kitchen drain vent via the crawl space and still be legal and safe? i plan to get a front loading water efficient machine.


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I think that could be done, but you may not even need that.

Where and how is this washing machine connected to what drain ? ( an existing drain pipe ? )

    Bookmark   December 15, 2007 at 5:20AM
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i do not have a washing machine or hookups currently but want to soon.

just wanted to know if its legal to tie in a washer drain vent to one of the bathroom or kitchen drain vents.

    Bookmark   December 16, 2007 at 11:13PM
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Down here in GA my plumber used a "Studoor" (sp) vent and my remodel. It sits off next to the drain line and acts as a vent but automatically closes to keep sewer gas and water out of house.

    Bookmark   December 17, 2007 at 9:24AM
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post this over inteh plumbing forum. lazy pup can tell you the exact legal requirements if you tell him which code you are under.

being an apartment, i think building management will have their own rules as well.

    Bookmark   December 17, 2007 at 5:30PM
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i have a studor vent on my washing machine drain line as well. seems to work well

    Bookmark   December 18, 2007 at 6:56AM
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studor vent(AAV) are not allowed in many areas. it all depends on your local codes. the easiest way to find out is to call teh local permit office and speak to the inspector. then GET IT IN WRITING when you pick up the permit that the AAV is allowed. you would be surprised how many folks are told by "someone" at the permit office that soemthing is ok, then when the inspector comes it is not allowed. the best bet is to take a set of drawings along when you go to get the permit and have them stamp it approved, then you have a leg to stand on if the inspector does not like it.

    Bookmark   December 18, 2007 at 10:21AM
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