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What is NYC MC § 801.18.1?

Quick Answer

This section outlines the requirements for resizing chimneys or vents to manage flue gas condensation and ensure proper draft for appliances. The resizing for oil-fired appliances vented to masonry chimneys must comply with NFPA 31. Applies to building owners with oil-fired appliances.

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

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801.18.1 Size.

MC § 801.18.1

The chimney or vent shall be resized as necessary to control flue gas condensation in the interior of the chimney or vent and to provide the appliance or appliances served with the required draft. For the venting of oil-fired appliances to masonry chimneys, the resizing shall be in accordance with NFPA 31.

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