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804.1.1 Venting and Combustion Air
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Fireplaces and fuel-burning appliances shall be vented to the outdoors and shall be provided with combustion air provided from the outdoors in accordance with the International Mechanical Code and the International Fuel Gas Code. Solid-fuel-burning fireplaces shall be provided with a means to tightly close off the chimney flue and combustion air openings when the fireplace is not in use.
Related Code Sections
804.1.1 Indoor Environmental Quality and Comfort, Venting and Combustion Air
Fireplaces and fuel-burning appliances shall be vented to the outdoors and shall be provided with combustion air provided from the outdoors ...
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to the outdoor vent termination. Combustion Air Supply . Inspect provisions for combustion air as follows: Nondirect-vent Appliances . Determine ...
Residential Code 2018 of Maryland > D Recommended Procedure for Safety Inspection of an Existing Appliance Installation > D.4 Inspections to Be Performed With the Appliance Not Operating.