This user manual provides installation instructions for the Lennox ML18OUH gas furnace.
Important Safety Information
The user must be aware of the potential hazards of improper installation, adjustment, alteration, service or maintenance, which can cause property damage, personal injury or loss of life.
Installation Requirements
The furnace must be installed by a licensed professional installer or equivalent, in accordance with local building codes and the National Fuel Gas Code.
Clearances
Adequate clearance must be made around the air openings into the vestibule area, and combustion and ventilation air supply must be provided in accordance with the National Fuel Gas Code.
Shipping and Packing
The furnace is shipped in a package containing an assembled unit, and separate items such as a thermostat, suspension kit, and side filter kit may be ordered separately.
Safety Information
The user must be aware of the danger of explosion due to the potential loss of scent of odorant used with LP/propane gas, and the importance of proper installation, adjustment, and maintenance.
Manual:
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