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Heat exchangers.

Municipal Code of Chicago § 18-28-1501.3
in effect
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18-28-1501.3 Heat exchangers. Heat exchangers used in domestic water-heating systems shall be approved for the intended use. The system shall have adequate protection to ensure that the potability of the water supply and distribution system is properly safeguarded.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2689269Fetched: 10/24/2026

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18-28-1501.3 | Corpus