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§ 18-28-1107.5 — Joints and refrigerant-containing parts in air ducts

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 18-28-1107.5

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18-28-1107.5 Joints and refrigerant-containing parts in air ducts.

All connections located within a ventilation system shall be formed by fusion welding or socket type brazed fittings. No valves, devices or connections thereto shall be located in a ventilation system, except systems containing less than 100 pounds (45.36 kg) of refrigerant and do not contain a warm air furnace or electric resistance heating coil.

§ 18-28-1107.5 — Joints and refrigerant-containing parts in air ducts | Chicago, IL — Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) | Corpus