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Solid fuel appliance flues.

Municipal Code of Chicago § 18-28-801.7
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18-28-801.7 Solid fuel appliance flues. The cross-sectional area of a flue serving a solid fuel-burning appliance shall not be greater than three times the cross-sectional area of the appliance flue collar or flue outlet.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2687777Fetched: 10/24/2026

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18-28-801.7 | Corpus