Connection.
Municipal Code of Chicago § 18-29-905.1
in effect18-29-905.1 Connection.
All individual, branch vents shall connect to a vent stack, stack vent or extend to the open air.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692473Fetched: 10/24/2026
