Compression-type fittings.
Municipal Code of Chicago § 18-28-1203.11.1
in effect18-28-1203.11.1 Compression-type fittings.
If compression-type fittings include inserts and ferrules or O-rings, the fittings shall be installed without omitting the inserts and ferrules or O-rings.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2689051Fetched: 10/24/2026
