Service Manual

37
37
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
WARNING
Service Procedure VI:
Flame Sensor Testing and Replacement
Flame Sensor Replacement Procedure
1. Position main power switch to OFF.
2. Disconnect (unplug) water heater from 120 volt power source.
3. Unlatch and remove surround cover from top of heater.
4. Disconnect the wire lead from flame sensor.
5. Remove the 2 sensor mounting screws (magnetic tip, long reach Phillips screwdriver) and remove flame
sensor and gasket from transition base flange.
6. Remove any residual gasket material from transition base flange.
7. Install new flame sensor with new gasket provided using screws from Step 6. Arrange flame sensor with
hook towards burner.
8. Reconnect the flame sensor wire.
9. Restore 120 volt power supply to water heater and confirm proper operation following the lighting
instructions on the lighting instruction label or the lighting instructions located in the Installation and
Operating Instruction Manual.
10. Replace the surround cover on the top of the water heater.
Flame Sensor