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On electric models, the inlet control thermostat is
located on the top left area of the heater housing,
to the right of the safety thermostat. On gas
models, the inlet control thermostat is located on
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thermostat. The thermostat monitors incoming air
temperature.
If the thermostat reaches a temperature beyond
its maximum temperature rating, it will trip and
disable power to the heating elements (electric
models) or burner assembly (gas models).
The inlet control thermostat opens at 210°F and
will automatically reset at 180°F.
Inlet Control Thermostat Removal
1. Remove the drum. (See Drum in this section
of this service guide.)
2. Disconnect the four wires from the inlet
control thermostat.
3. Remove the Phillips-head screw that attaches
the inlet control thermostat to the heater
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The inlet control
thermostat on gas models utilize two locking
tabs instead of a Phillips-head screw.
4. Lift and slide the thermostat from the heater
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Electric Model Shown
Inlet Control
Thermostat
27-in. Electric
Model
24-in. Gas
Model
Inlet Control
Thermostat
Inlet Control Thermostat
The outlet control thermostat is located on the
upper, rear area of the blower housing. The
outlet control thermostat monitors the outgoing air
temperature.
If the thermostat reaches a temperature beyond
its maximum temperature rating, it will trip and
disable power to the heating elements or burner
assembly.
The outlet control thermostat opens at 130°F and
will automatically reset at 120°F.
Outlet Control Thermostat Removal
1. Remove the drum. (See Drum in this section
of this service guide.)
2. Disconnect the four wires from the outlet
control backup thermostat.
3. Remove the Phillips-head screw that attaches
the outlet control thermostat to the blower
housing.
27-in. Electric Model Shown
Outlet Control
Thermostat
Outlet Control Thermostat
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