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READ AND SAVE THESE INSTRUCTIONS
UNVENTED GAS LOG
HEATER or
VENTED DECORATIVE
APPLIANCE
INSTALLATION AND OPERATING
INSTRUCTIONS
This is an unvented gas-fi red
heater. It uses air (oxygen)
from the room in which it is
installed. Provisions for adequate
combustion and ventilation air
must be provided.
Refer to page 7.
WARNINGS
If the information in this manual is not followed exactly,
a fi re or explosion may result causing property damage,
personal injury or loss of life.
– Do not store or use gasoline or other fl ammable
vapors and liquids in the vicinity of this or any other
appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fi re
department.
– Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
This appliance may be installed
in an aftermarket, permanently
located, manufactured (mobile)
home, where not prohibited by
local codes.
This appliance is only for use
with the type of gas indicated on
the rating plate. This appliance is
not convertible for use with other
gases.
MODEL: NB18, NB24
Natural Gas or Liquid Propane
Control Type: Millivolt