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§ 18-28-801.6 — Minimum size of chimney or vent

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-28-801.6

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18-28-801.6 Minimum size of chimney or vent.

Except as otherwise provided for in this article, the size of the chimney or vent serving a single appliance, except for approved engineered systems, shall have a minimum free area equal to the area of the appliance connection.