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Exhaust termination outlet and passageway size.

Municipal Code of Chicago § 18-28-504.4.2
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18-28-504.4.2 Exhaust termination outlet and passageway size. The passageway of dryer exhaust duct terminals shall be undiminished in size and shall provide an open area of not less than 12.5 square inches (8065 mm 2 ). (Amend Coun. J. 9-14-21, p. 35949, Art. V, § 11)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2694605Fetched: 10/24/2026

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