Service Manual

Thermostat Sensor (Thermister) Replacement Procedure

Step 1. Position main power switch to “OFF”

Step 2. Disconnect (unplug) water heater from

120 volt power source.

Step 3. Un-latch and remove top surround cov

from top of heater.

Step 4. Unclip sensor connector from control board and remove harness from control

panel (see picture).

Step 5. Unclip sensor from well

and pull sensor to remove, do not remove well (see

picture).

Step 6.Install new sensor assembly into well and reinstall senor clip.

Step 7. Reconnect the sensor

connector to the control board and route the wire harness

through the same path that it was removed.

Step 8. Restore 120 volt power supply. Confirm proper op

eration following the lighting

instructions on the lighting instruction label or the lighting instruction located in

the installation and operating instruction ma

nual.

Step 9. Replace surround cover on top of heater.

WARNING

120 volt potential exposure. Isolate the

appliance and reconfirm power is

disconnected using a multi-meter.

Sensor shown fully

inserted into well

Sensor clip shown

installed properly

Remove sensor

connector from

control board