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Lennox G43UF SERIES User's Information Manual

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Download this manual See also: Unit Information, User's Information Manual
E 2004 Lennox Industries Inc.
Dallas, Texas, USA
504,898M
02/04
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other ap-
pliance.
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
02/04
*2P0204*
®
FIRE OR EXPLOSION HAZARD.
Failure to follow safety warnings exact-
ly could result in serious injury, death,
or property damage.
WARNING
WHAT TO DO IF YOU SMELL GAS:
D Do not try to light any appliance.
D Do not touch any electrical switch; do not
use any phone in your building.
D Leave the building immediately.
D Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
D If you cannot reach your gas supplier, call
the fire department.
G43UF
SERIES

GAS FURNACE

Litho U.S.A.
504,898M
*P504898M*

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Summary of Contents for Lennox G43UF SERIES

  • Page 1: Gas Furnace

    ® E 2004 Lennox Industries Inc. Dallas, Texas, USA 504,898M G43UF 02/04 SERIES GAS FURNACE Litho U.S.A. WARNING FIRE OR EXPLOSION HAZARD. Failure to follow safety warnings exact- ly could result in serious injury, death, or property damage. WHAT TO DO IF YOU SMELL GAS: Do not store or use gasoline or other D Do not try to light any appliance.
  • Page 2 Lennox Industries Inc. CAUTION P.O. Box 799900 Dallas, TX 75379−9900 Before attempting to perform any service or mainte- NOTE −...

  • Page 3: Safety Instructions

    Installation and service must be performed by a qualified installer, service agency of this, Lennox recommends the use of a carbon monox- or the gas supplier. ide detector in your home, even if you do not own gas appliances.
  • Page 4 The gas valve on the G43UF may be equipped with either White Rodgers 36G Series Gas Valve a gas control knob or gas control lever. Use only your INLET hand to push the lever or turn the gas control knob. Never MANIFOLD PRESSURE PRESSURE...

  • Page 5: Maintenance

    TABLE 1 Inspect the furnace for obvious signs of deterioration. Inspect the furnace venting system to make sure it is in Filter Size Furnace Furnace Cabinet Size place, physically sound, and without holes, corrosion, or Side Return Bottom Return blockage. 17−1/2"...

  • Page 6: Service Reminder

    Service Reminder before either personal injury or property damage occurs. Call your Lennox service technician if the unit will not oper- Do not hesitate to contact a qualified service technician as ate. Before calling, always check the following to be sure an investment in your well being.

  • Page 7: Repair Parts List

    Repair Parts List The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate −− Example: G43UF−24B−045−2. Cabinet Parts Heating Parts Upper access panel Flame Sensor Blower access panel...