Rheem 64DV - Section 8: Heat Exchanger Thermistor

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Section 8: Heat Exchanger thermistors
ALWAYS TURN OFF Power, Water & Gas
Use Service Valves to DRAIN UNIT
*Remove 2 screws OR Remove snap ring
*Pull Heat Exchanger thermistor out
(O-ring should remain in thermistor well).
NOTE: thermistor has white wire.
To REPLACE thermistor go to diagram 2
1