Definitions.
Municipal Code of Chicago § 4-344-010
in effect4-344-010 Definitions.
As used in this chapter:
"Regulated device" means a:
1. Steam engine or steam boiler with an output capacity in excess of 50 boiler horsepower or intended for operation at a pressure in excess of 10 psig.
2. Hot water boiler intended for operation at a pressure in excess of 160 psi or temperature in excess of 250°F (121°C).
The term "regulated device" does not include locomotive engines or boilers carrying not more than 10 ten pounds pressure of steam per square inch.
(Added Coun. J. 12-9-92, p. 25465; Amend Coun. J. 9-14-21, p. 35949, Art. XV, § 3)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2638267Fetched: 10/24/2026