Posted by Don, From: on October 30, 1999 at 14:03:28:

In Reply to: vents posted by Paul Edwards on October 30, 1999 at 02:12:15:

Each p-trap must be vented to the outside air. But sometimes several fixtures use the same vent pipe.
Vents must be very close to the p-trap they serve, or they won't work.

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