REU-2532FFU Series 56 Rinnai
a. 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.
b. Disconnect wiring harness from assembly and
remove the water flow control assembly from the
unit.
4. Removal of Sparker 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.
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.
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.
S
arker mo
ule.
Outlet water thermistor.
Remove combustion
fan motor housing,
(2) screws
screws.
Water filter housin
.
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