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Combustion Air

Combustion Air

This chapter establishes general requirements for combustion air supply to solid fuel-burning and oil-fired appliances, directing users to manufacturer instructions and NFPA 31, and notes certain exclusions.

701 — General

701.1 Scope. Solid fuel-burning appliances shall be provided with combustion air in accordance with the appliance manufacturer's installation instructions. Oil-fired appliances shall be provided with combustion air in accordance with NFPA 31. The methods of providing combustion air in this chapter do not apply to fireplaces, fireplace stoves and direct-vent appliances. The requirements for combustion and dilution air for gas-fired appliances shall be in accordance with the International Fuel Gas Code.

Frequently asked questions

Which types of appliances are covered by this chapter's general combustion air requirements?

This chapter's general scope applies to solid fuel-burning appliances and oil-fired appliances.

Where should I find the combustion air requirements for solid fuel-burning appliances?

Combustion air for solid fuel-burning appliances must be provided according to the appliance manufacturer's installation instructions.

What standard governs combustion air for oil-fired appliances?

Oil-fired appliances require combustion air in accordance with NFPA 31.

Where verbatim source text is shown, it is reproduced from the code as adopted into law by the jurisdiction, sourced from public.resource.org under the government edicts doctrine (see Georgia v. Public.Resource.Org, Inc., 590 U.S. 255 (2020)). This material reflects enacted law and is provided for reference and educational purposes only. It is not legal advice and may not reflect local amendments or the most recently adopted edition. Always verify requirements with the authority having jurisdiction.