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NYC Fuel Gas Code

§ 304.5 — § 304.5

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What is NYC FGC § 304.5?

Quick Answer

This section outlines the requirements for determining the volume of indoor combustion air necessary for fuel-burning appliances. It specifies that the total required volume must account for all appliances in the space and includes provisions for rooms connected without doors. Applies to building owners managing fuel-burning appliances.

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

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304.5 Indoor combustion air.

FGC § 304.5

The required volume of indoor air shall be determined in accordance with Section 304.5.1 or 304.5.2, except that where the air infiltration rate is known to be less than 0.40 air changes per hour (ACH), Section 304.5.2 shall be used. The total required volume shall be the sum of the required volume calculated for all appliances located within the space. Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors, and through combustion air openings sized and located in accordance with Section 304.5.3, are considered to be part of the required volume. Exception: Combustion, ventilation, and dilution air shall be obtained solely from the outdoors for fuel-burning appliances with an input greater than 350,000 Btu/h (102.6 kW).

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