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NYC Mechanical Code

§ 504.8.3 — § 504.8.3

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What is NYC MC § 504.8.3?

Quick Answer

This section outlines the requirements for transition ducts connecting dryers to exhaust duct systems. It mandates that these ducts be a single length, listed and labeled per UL 2158A, not exceeding 8 feet in length, and not concealed within construction. Applies to building owners installing dryer exhaust systems.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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504.8.3 Transition ducts.

MC § 504.8.3

Transition ducts used to connect the dryer to the exhaust duct system shall be a single length that is listed and labeled in accordance with UL 2158A. Transition ducts shall be not greater than 8 feet (2438.4 mm) in length and shall not be concealed within construction.

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