Vent connection to drainage system.
Municipal Code of Chicago § 18-29-905.3
in effect18-29-905.3 Vent connection to drainage system.
Every dry vent connecting to a horizontal drain shall connect above the centerline of the horizontal drain pipe.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692477Fetched: 10/24/2026
