- 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.
• 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
fire department.
- INSTALLATION AND SERVICE MUST BE PER-
FORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
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.
FAN-TYPE, DIRECT-VENTTHROUGH-THE-WALLGAS HEATERINSTALLATION ANDOPERATING INSTRUCTIONSP/N 64920 / DECEMBER 2006
RR
This appliance must be
connected to an electrical
ground.
WARNING:
CONNECT TO 115V ELECTRICAL
POWER SUPPLY.
DO NOT CONNECT TO 220V
POWER SUPPLY.
MODEL NUMBERS
NAT. GAS L.P. GAS
WOW253 WOW254
WOW403 WOW404
NOTE: Obstruction in the vent exhaust tube or air intake tube due to insects, small animals, debris,
etc. will prevent the heater from operating but DOES NOT constitute a warranty issue.
This unit is for residential installation only and is not approved for greenhouses, or environments
involving dust y, wet, corrosive, or explosive conditions. Install ation and usage other than
residential applications will invalidate the warranty and may create unsafe conditions resulting in
property damage, personal injury or loss of life.
WARNING: Operation of this furnace without the factory installed vent system could result in Carbon Monox-
ide (CO) poisoning and possible death. For your safety, this furnace and the vent system must be inspected
before initial use and at least annually by a qualified service person.
This appliance may be installed in an aftermarket, permanently located, manufactured home (USA only) or
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, unless a certified kit is used.
Installation, maintenance, service, troubleshooting and repairs must be performed by a qualified service agency.
MR./MRS. HOMEOWNER, DO NOT attempt any of these procedures yourself as this could expose you to
property damage, personal injury, or loss of life and will invalidate all warranties.
INSTALLER: Leave this manual with the
appliance.
CONSUMER: Retain this manual for future
reference.