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SLP99DFV Parts Identication
NOTE - This manual must be left wutgh the equipoment 
user.
Notice to Homeowner
This furnace is equipped with safety devices that protect 
you and your property. If one or more of these devices 
is activated, furnace operation will stop. If your home is 
left unattended for an extended period of time, equipment 
operation must be checked periodically. If this is not pos-
sible, the water supply to the house should be shut o and 
the pipes should be drained. This will prevent problems 
associated with a NO HEAT condition (frozen pipes, etc.)
FIGURE 1 
 WARNING
Before attempting to perform any service or maintenance, 
turn the electrical power to unit OFF at the disconnect 
switch.
NOTICE
Any additions, changes, or conversions required 
in order for the appliance to satisfactorily meet 
the application needs must be made by a licensed 
professional installer (or equivalent) using factory-
specied and approved parts.
 WARNING
Before attempting to perform any service or 
maintenance, turn the electrical power to unit OFF 
at the disconnect switch.
Top Cap
Flue Collar
Variable  Speed  Combustion 
Air Inducer
SureLight Integrated Control
Duralok  Heat  Exchanger 
Assembly
Burners
Pressure Switch Assembly
Variable Speed Blower Motor
Air Intake