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Clearance to combustibles.

Municipal Code of Chicago § 18-28-1206.5
in effect
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18-28-1206.5 Clearance to combustibles. A pipe in a hydronic piping system in which the exterior temperature exceeds 250°F (121°C) shall have a minimum clearance of 1 inch (25.4 mm) to combustible materials.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2689096Fetched: 10/24/2026

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18-28-1206.5 | Corpus