Steam boiler gauges.
Municipal Code of Chicago § 18-28-1010.2
in effect18-28-1010.2 Steam boiler gauges.
Every steam boiler shall have a water-gauge glass and a pressure gauge. The pressure gauge scale shall be in accordance with the ASME Code and shall indicate the pressure up to 1 1/2 times the maximum allowable working pressure of the boiler, but not less than 30 psi.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688654Fetched: 10/24/2026
