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// CODE SNIPPET

901.5 Unvented Heaters and Appliances

Minnesota Mechanical Code 2015 > 9 Specific Appliances, Fireplaces and Solid Fuel-Burning Equipment > 901 General > 901.5 Unvented Heaters and Appliances
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Unvented room heaters, unvented infrared heaters, and unvented decorative appliances shall not be installed in any dwelling or occupancy.

Exception: Unvented infrared heaters may be installed when mechanical ventilation is provided to exhaust at least 4 cubic feet per minute (cfm) (0.0203 m3/s) per 1000 Btu/hr (0.292 kW) input and it is electrically interlocked with the heater. Makeup air shall be provided to the space to be heated.

Related Code Sections


901.5 Specific Appliances, Fireplaces and Solid Fuel-Burning Equipment, Unvented Heaters and Appliances
Unvented room heaters, unvented infrared heaters, and unvented decorative appliances shall not be installed in any dwelling or occupancy ...
Minnesota Mechanical Code 2015 > 9 Specific Appliances, Fireplaces and Solid Fuel-Burning Equipment > 901 General > 901.5 Unvented Heaters and Appliances
Section 621 Specific Appliances, (IFGC) Unvented Room Heaters
Unvented room heaters and unvented decorative appliances shall not be installed in any dwelling or occupancy ...
Minnesota Fuel Gas Code 2015 > 6 Specific Appliances > 621 (IFGC) Unvented Room Heaters
621.7 Specific Appliances, Unvented Decorative Room Heaters
An unvented decorative room heater shall not be installed in a factory-built fireplace unless the fireplace system has been specifically tested ...
2020 Minnesota Fuel Gas Code > 6 Specific Appliances > 621 (IFGC) Unvented Room Heaters > 621.7 Unvented Decorative Room Heaters
603.4.2.2 Building Services and Systems, Installation and Operation
Portable outdoor gas-fired heating appliances shall be installed and operated in accordance with Sections 603.4.2.2.1 through 603.4.2.2.4 ...
Minnesota Fire Code 2015 > 6 Building Services and Systems > 603 Fuel-Fired Appliances > 603.4 Portable Unvented Heaters > 603.4.2 Portable Outdoor Gas-Fired Heating Appliances > 603.4.2.2 Installation and Operation
603.4.2.2 Building Services and Systems, Installation and Operation
Portable outdoor gas-fired heating appliances shall be installed and operated in accordance with Sections 603.4.2.2.1 through 603.4.2.2.4 ...
2020 Minnesota State Fire Code > 6 Building Services and Systems > 603 Fuel-Fired Appliances > 603.4 Portable Unvented Heaters > 603.4.2 Portable Outdoor Gas-Fired Heating Appliances > 603.4.2.2 Installation and Operation
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