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Chimney entrance.

Municipal Code of Chicago § 18-28-801.12
in effect
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18-28-801.12 Chimney entrance. Connectors shall connect to a chimney flue at a point not less than 12 inches (305 mm) above the lowest portion of the interior of the chimney flue.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687793Fetched: 10/24/2026

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18-28-801.12 | Corpus