81D0107 7/14 Rev. 13
Vented/Unvented Gas Log Set
Installation and Operating Instructions
Models: NB18, NB24, NB18SCR, NB24SCR
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 4.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
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.
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 qualifi ed installer, service agency or
the gas supplier.
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