Igi - 4. Removal Of The Ignition Module; Igi - 5. Removal Of The Combustion Fan; Igi - 6. Removal Of The Water Temperature Thermistor - Bradford White IGI-180R-10 Service Manual

b. Remove the four (4) Phillips screws that secure
the water inlet filter housing to the unit. See
picture below for location of screws. Once
screws are removed reach into the unit and
pull up and out on the flow control assembly
to remove it from the appliance. Inspect o-ring
for damage.
c. Disconnect wiring harness from assembly and
remove the water flow control assembly from
the unit.
IGI – 4. Removal of Ignition Module:
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a. Remove one (1) Phillips screw that secures the
sparker module to the unit casing.
b. Disconnect high tension lead and connector.
IGI – 5. Removal of the Combustion Fan:
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a. Disconnect wiring harness from fan motor.
b. Remove the (2) Phillips screws that secure the
combustion fan motor to the fan housing. Pull
the fan motor assembly towards yourself to
remove it.
IGI – 6. Removal of the Water Temperature
Thermistor:
CAUTION
120 volt potential exposure. Isolate the appliance and
reconfirm power has been disconnected using a multi-
meter.
a. Remove the two (2) Phillips screws that secure
the thermistor in place to remove the water
outlet temperature thermistor.
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