Hi all, I hoping I can get an opinion on my layout wether or not I'm within code. I'm in Minnesota and I know It's not the same every where. I have a horizontal drain stack that runs about 4' and then goes vertical thru the roof. The water closet is plumbed in just before the stack goes vertical with a wye that's on it's back so the wye 45's up to the flange. My question is do I need to vent the toilet before the wye or is the vent stack that goes vertical acceptable. I've attached a picture to avoid any confusion. By the way that is a 4" pipe, overkill I know.
Thank You.
Dan
Thank You.
Dan
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