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NYC Mechanical Code

§ 801.2.1 — § 801.2.1

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What is NYC MC § 801.2.1?

Quick Answer

This section outlines the design requirements for chimneys and vents to ensure proper draft and capacity for exhaust systems. It specifies that adjacent combustible surfaces must not exceed a temperature of 160°F (71.1°C) and that chimneys and vents must resist condensation effects. Applies to building owners responsible for chimney and vent installations.

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

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801.2.1 Design.

MC § 801.2.1

Chimneys and vents shall be designed and constructed so as to provide the necessary draft and capacity for each appliance connected to completely exhaust the products of combustion to the outside air. The temperature on adjacent combustible surfaces shall not be raised above 160°F (71.1°C). Chimneys and vents shall be designed to resist the effects of condensation that would cause deterioration of the chimney or vent.

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