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Author:
oddasea (ME)
I am installing a half bath into a shed. I will be placing a vent stack T-Y just downstream from the new toilet. Three feet downstream of the vent stack T-Y, I will be placing a sink; and four feet downstream of the sink I will be putting a stand pipe to drain the washing machine. Question: do the sink and the washing machine drain need to be connected to the vent?
thanks in advance.
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Author:
North Carolina Plumber (NC)
The sink does, the washer needs its own vent.
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Author:
packy (MA)
just to be clear..
3 feet downstream of the toilet you place a "Y". use that "Y" as a vent stack. 18" above the floor you put a "TY" to drain the sink into the vent stack. 4 feet downstream of the "Y" place a "Y" for the laundry. 18" above the floor place a "TY" for the washing machine trap.
come out of the top of that "TY", go up to 42 inches above the floor and connect the washer vent back into the vant stack.
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Author:
golliath (CO)
please explain TY fitting for me . i am not sure what that means fitting wise. thx is it just a san tee?
Edited 2 times.
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Author:
hj (AZ)
TYs are normally called "combos", at least on the manufacturer's packaging label, NOT a sanitary tee, and as such are NOT suitable for an unvented drain connection into a vertical riser, even if the vertical riser IS the vent for it.
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Author:
packy (MA)
around here we call san tee's "TY"'s..
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Author:
oddasea (ME)
So, HJ, what should I use just downstream of the toilet to start the venting? A sanitary T? What I had been told was to use a straight coupling that has an arm shooting out of it like a Y. Is that not a TY or is it a combo? I am confused, clearly. thanks.
Edited 1 times.
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Author:
oddasea (ME)
thank you, Packy.
Edited 1 times.
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