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NYC Fuel Gas Code

§ 503.6.9.2 — § 503.6.9.2

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What is NYC FGC § 503.6.9.2?

Quick Answer

This section outlines the requirements for vent offsets for Type B and L vents, specifying that they should extend vertically with certain allowances for offsets. It establishes limits on the angle of offsets and the total horizontal distance of the vent system. Applies to building owners managing vent systems for draft-hood-equipped appliances.

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

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503.6.9.2 Vent offsets.

FGC § 503.6.9.2

Type B and L vents sized in accordance with Item 2 or 3 of Section 503.6.9.1 shall extend in a generally vertical direction with offsets not exceeding 45 degrees (0.79 rad), except that a vent system having not more than one 60-degree (1.04 rad) offset shall be permitted. Any angle greater than 45 degrees (0.79 rad) from the vertical is considered horizontal. The total horizontal distance of a vent plus the horizontal vent connector serving draft-hood-equipped appliances shall be not greater than 75 percent of the vertical height of the vent.

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