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Water heater labeling.

Municipal Code of Chicago § 18-29-501.5
in effect
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18-29-501.5 Water heater labeling. All water heaters shall be third-party certified. Listing by Underwriters Laboratories, CSA International or the National Board of Boiler and Pressure Vessel Inspectors shall constitute evidence of conformance with these standards. (Amend Coun. J. 10-14-21, p. 37722, Art. V, § 1)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2691269Fetched: 10/24/2026

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18-29-501.5 | Corpus