|Posted by hj on October 31, 1998 at 22:53:06:|
|In response to Re: Vent pipe|
Yes, as long as it is not the only vent pipe in the plumbing system. The total area of all the vents in the system, meaning each individual building, must be equal to the area of the main drain serving the building.
: If the toilet drain pipe is 3", can the vent pipe be 2"
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