I had the perfect layout for my basement bathroom install, with the WC most downstream, until I realized that placed the sink directly below a window. Could anybody comment on how the attached drawing looks? I'm not using a 3" double wye because I can't find one locally and to be honest it's easier to use a 3x3x1.5 and 3x3x2 instead of adding reducers. Is it ok for the LAV to be in the middle? NYS code allows wet venting and AAV's. Thanks!
Wet vent with AAV
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BMWpowere36m3
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Shower needs a vent
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hj
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If vented properly, the order of the connections is immaterial. However, since your shower does not have a vent, you have to rethink how you are going to connect it to the system.
The attached is shown in the NYS residential code, I had figured it was basically the same setup. Is it because the shower is not connected to the horizontal of the vent for the LAV? I have a 1 1/4" vent from a utility sink nearby in the basement, but guessing that wont work since it's only good for 2 dfu. Perhaps I will disconnect the utility sink vent and put another AAV there. Nice!
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Bill Shack
30years plumbing 10years plumbing inspector
Looks good to me if a real vent is impractical or impossible ,
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Tom Sawyer
In the Trades
The toilet blocks the shower vent
