Removal Of Sparker; Removal Of Combustion Fan; Removal Of Water Temperature Thermistor - Rinnai REU-2018W Service Manual

c. Remove four (4) screws from the
water supply connection and remove
connection.
Handle O-ring carefully. (phillips driver)
d. Disconnect electrical connectors and
remove water flow sensor from
control assembly.

6) Removal of Sparker

CAUTION
- 240 volt potential exposure. Isolate the
appliance and reconfirm with a neon
screwdriver or multimeter.
a. Remove one (1) screw that secures sparker
to the attachment plate to remove sparker.
(phillips driver).
b. Disconnect high tension lead
connector.
Infinity REU-2425W

7) Removal of Combustion Fan

- 240 volt potential exposure. Isolate the
appliance and reconfirm with a neon
screwdriver or multimeter.
a. Detach the sparker, refer to section 4.
b. Remove the three (3) screws that
secure the fan in place, disconnect
connector and pull the fan towards
yourself to remove it.
(phillips driver).
8) Removal of Water Temperature
Thermistor
- 240 volt potential exposure. Isolate the
appliance and reconfirm with a neon
screwdriver or multimeter.
- Isolate Water Supply.
a. Remove the two (2) screws that secure the
thermistor in place to remove the water
temperature thermistor. (phillips driver).
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CAUTION
CAUTION
Issue 2 - 5/07/04 ©Rinnai