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NYC Fuel Gas Code

§ 304.6.2 — § 304.6.2

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What is NYC FGC § 304.6.2?

Quick Answer

This section outlines the requirements for a permanent opening in enclosures for appliances, specifying dimensions and clearance distances. The opening must communicate directly with the outdoors or through ducts, with a minimum free area based on the total input rating of the appliances. 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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304.6.2 One-permanent-opening method.

FGC § 304.6.2

One permanent opening, commencing within 12 inches (304.8 mm) of the top of the enclosure, shall be provided. The appliance shall have clearances of not less than 1 inch (25.4 mm) from the sides and back and 6 inches (152.4 mm) from the front of the appliance. The opening shall directly communicate with the outdoors, or through a vertical or horizontal duct, to the outdoors or spaces that freely communicate with the outdoors (see Figure 304.6.2) and shall have a minimum free area of 1 square inch per 3,000 Btu/h (734 mm 2 /kW) of the total input rating of all appliances located in the enclosure and not less than the sum of the areas of all vent connectors in the space. Figure 304.6.2Single Combustion Air Opening, All Air from the Outdoors(see Section 304.6.2)

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