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INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 72903 December 2003
MODEL NUMBERS
NAT. GAS L.R GAS
HEDV403 HEDV404
INSTALLER MUST LEAVE THESE INSTRUCTIONS I
I
WITH THE CONSUMER, HAVE THEM COMPLETE,
AND RETURN THE WARRANTY CARD.
WARNING: If the information in these instructions are
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 flammable 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.
hnmediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the
fire department.
INSTALLATION AND SERVICE MUST BE PER-
FORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
NADEiN U.$&_
WARNING: Operation of this furnace without the properly installed, factory furnished vent system and
vent cap could result in Carbon Monoxide (CO) poisoning and possible death. For your safety, this
furnace and the vent system should be inspected at least annually by a qualified service person.
May be installed in an aftermarket, permanently located, manufactured home (mobile home) where not
prohibited by local codes. See owner's manual for details. This appliance is not convertible for use
with other gases, unless a certified kit is used.
This not approved greenhouses, or involving dusty, wet, corro-
unit is for installation in environments
sire, or explosive conditions. Such conditions will invMidate the warranty and may create unsafe
conditions.