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Planned Service
The following items should be checked during an annual in-
spection. Power to the unit must be shut off for the service
technician’s safety.
Fresh air grilles and louvers
(on the unit and in the room
where the furnace is installed) − Must be open and unob-
structed to provide combustion air.
Burners
− Must be inspected for rust, dirt, or signs of water.
Vent pipe
− Must be inspected for signs of water, damaged
or sagging pipe, or disconnected joints.
Unit appearance
− Must be inspected for rust, dirt, signs
of water, burnt or damaged wires, or components.
Blower access door
− Must be properly in place and pro-
vide a seal between the return air and the room where the
furnace is installed.
Return air duct
− Must be properly attached and provide
an air seal to the unit.
Operating performance
− Unit must be observed during
operation to monitor proper performance of the unit and the
vent system.
Combustion gases
− Flue products must be analyzed and
compared to the unit specifications.
Problems detected during the inspection may make it nec-
essary to temporarily shut down the furnace until the items
can be repaired or replaced.
Pay attention to your furnace.
Situations can arise be-
tween annual furnace inspections that may result in unsafe
operation.
Repair Parts List
The following repair parts are available through independent Lennox dealers. When ordering parts, include the complete
furnace model number listed on the CSA International nameplate −− Example: G60DFV(X)−36A−070−7.
Cabinet Parts
Upper access panel
Blower panel
Top cap
Control Panel Parts
Transformer
Two−stage, variable speed integrated control
Door interlock switch
Circuit breaker
Blower Parts
Blower wheel
Blower housing
Motor
Motor electronics
Power choke (1 hp only)
Motor mounting frame
Motor capacitor
Blower housing cutoff plate
Heating Parts
Flame Sensor
Heat exchanger assembly
Gas manifold
Two−speed combustion air inducer
Two−stage gas valve
Main burner cluster
Main burner orifices
Pressure switch
Ignitor
Primary limit control
Flame rollout switch
Secondary limit
