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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. See page 9.
READ AND SAVE THESE INSTRUCTIONS
WARNINGS
If the information in this manual is not followed
exactly, a fire 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.
MODEL: 33ISDG
Natural Gas or Propane/LPG
Control Type: Milli-Volt and T-Stat
VENT-FREE
FIREPLACE SYSTEMS
INSTALLATION AND
OPERATING INSTRUCTIONS
WARNINGS
This appliance may be installed in
an aftermarket, permanently located,
manufactured (mobile) home, where
not prohibited by local codes.
This applicance is for use only with the
type of gas indicated on the rating plate.
This applicance is not convertible for
use with other gases.