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NYC Building Code

§ 2113.15 — § 2113.15

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What is NYC BC § 2113.15?

Quick Answer

This section mandates that chimney flues must have an area equal to or greater than the area of the appliance connector. For flues serving multiple appliances, the area must account for the largest connector plus additional percentages. Exceptions exist for oil and gas-fired appliances sized according to specific codes. Applies to building owners managing appliance installations.

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

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2113.15 Flue area (appliance).

BC § 2113.15

Chimney flues shall not be smaller in area than the area of the connector from the appliance. Chimney flues connected to more than one appliance shall be not less than the area of the largest connector plus 50 percent of the areas of additional chimney connectors. Exceptions: 1. Chimney flues serving oil-fired appliances sized in accordance with the New York City Mechanical Code and NFPA 31.

2.Chimney flues serving gas-fired appliances sized in accordance with the New York City Fuel Gas Code.

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