// CODE SNIPPET
Section M1402 Central Furnaces
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Clearances shall be provided in accordance with the listing and the manufacturer's installation instructions.
M1402.3 Combustion Air
Combustion air shall be supplied in accordance with Chapter 17. Combustion air openings shall be unobstructed for a distance of not less than 6 inches (152 mm) in front of the openings.
Related Code Sections
306.1.1 General Regulations, Central Furnaces
Central furnaces within compartments or alcoves shall have a minimum working space clearance of 3 inches (76 mm) along the sides, back and top ...
Section M1402 Heating and Cooling Equipment and Appliances, Central Furnaces
Oil-fired central furnaces shall conform to ANSI/UL 727. Electric furnaces shall conform to UL 1995 or UL/CSA/ANCE 60335-2-40 ...
3.3.79 Definitions, Furnace
A central furnace equipped with a blower that provides the primary means ...