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NYC Mechanical Code

§ 506.3.2.3 — § 506.3.2.3

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What is NYC MC § 506.3.2.3?

Quick Answer

This section outlines the requirements for duct-to-exhaust fan connections, specifying that connections must be flanged and gasketed for vertical discharge fans, and additionally bolted for side-inlet and in-line fans. The statute mandates that materials used must withstand high temperatures. Applies to building owners installing or maintaining exhaust systems.

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

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506.3.2.3 Duct-to-exhaust fan connections.

MC § 506.3.2.3

Duct-to-exhaust fan connections shall be flanged and gasketed at the base of the fan for vertical discharge fans; shall be flanged, gasketed and bolted to the inlet of the fan for side-inlet utility fans; and shall be flanged, gasketed and bolted to the inlet and outlet of the fan for in-line fans. Approved flexible connectors may be provided. Gasket and sealing materials shall be rated for continuous duty at a temperature of not less than 1,500ºF (815.6ºC).

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