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NYC Fuel Gas Code

§ 503.10.4 — § 503.10.4

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What is NYC FGC § 503.10.4?

Quick Answer

This section outlines the requirements for connecting multiple appliances to a single vent or chimney. It specifies that the smaller vent connector must be positioned at the highest level that allows for adequate headroom or clearance. This regulation affects those managing gas appliances and their venting systems.

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

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503.10.4 Two or more appliances connected to a single vent or chimney.

FGC § 503.10.4

Where two or more vent connectors enter a common gas vent, chimney flue or single-wall metal pipe, the smaller connector shall enter at the highest level consistent with the available headroom or clearance to combustible material. Vent connectors serving Category I appliances shall not be connected to any portion of a mechanical draft system operating under positive static pressure, such as those serving Category III or IV appliances.

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