L.B. White 170 Tradesman Portable Forced Air - Manual (Page 16)

1. Remove knob and thermostat mounting screws. See
Fig. 19.
2. Remove the base bottom from the heater.
3. Slide the thermostat sensing bulb from the cable tie
at the wiring harness.See Fig. 20.
FIG. 19
FIG. 20
THERMOSTAT
IGNITION CONTROL
14 16
NUT
LED WIRE
HARNESS
IGNITION
CABLE
SCREWS
1. Disconnect the LED wire harness from the circuit
board, if applicable.
2. Disconnect the ignition cable and remove the nuts
securing the control to the side of the heater’s base.
See Fig. 21.
3. When replacing, use care to prevent damage to the
controller’s components
FIG. 21
THERMOSTAT
BULB