|Posted by Deb on August 01, 2003 at 09:54:34:|
|In response to Re: how many drains can run through one vent stack|
: I have one vent stack in my house right now that only has a kitchen sink on it. Could I add a washer, and a laundry sink to this same 3 inch vent stack, or is that too much on one stack?
: how much can you put on one 3" stack stack ?
You can put 84 fixture units on a 3" vent pipe (UPC code). A kitchen sink, washer, and laundry sink are 7 fixture units. Make sure you are 6" above the flood rim level of the highest fixture before you tie the vent together.
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