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84502-C
GAS-FIRED VENTED
WALL FURNACE
Installation and
Operating Instructions
P/N 84502 / Rev 12-06-16
WARNING - If the information in these instructions is not followed
exactly, a re or explosion may result causing property damage,
personal injury or death.
Do not store or use gasoline or other 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 re department.
INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED
INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER.
THIS UNIT IS NOT TO BE INSTALLED IN MOBILE HOMES.
Installation, maintenance, service, troubleshooting and repairs must be performed by a qualied 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.
This unit is for residential use only and is not approved for installation in mobile
homes, greenhouses, or environments involving dusty, wet, corrosive, or explosive
conditions. Such conditions will invalidate the warranty and may create unsafe
conditions.
This appliance is equipped with a blocked
ue switch designed to protect against a
blocked ue condition.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Natural Gas - W255G, W355G, W505G, L.P. Gas - W256G, W356G, W506G
W255G-3, W355G-3, W505G-3, W255G-5, W355G-5, W505G-5
W255G-7, W355G-7, W505G-7
The coating selected to provide longer life to the heat exchanger may
smoke slightly upon initial ring. Please provide adequate ventilation if
this occurs.
This heater may be installed
without recessing into stud
space by using optional FSK
(Free Standing Kit).
WARNING - Operation of this furnace when not connected to a properly installed and maintained venting
system can result in Carbon Monoxide (C.O.) poisoning and possible death. For your safety, this furnace and
the venting system should be inspected at least annually by a qualied service technician.