Service Manual

Flame Sensor Replacement Procedure

Step 4. Carefully cut a path in the insulation from the blower tube towards the flame sensor (shown below). Pay close

attention to not cut any wires. Fold the insulation back to expose the flame sensor.

Step 5. Disconnect wire lead from flame sensor.

Step 6. Remove the 2 sensor mounting screws (magnetic

tip, long reach Phillips screw driver) and remove

flame sensor & gasket from transition base

flange.

Step 7. Remove any residual gasket material from

transition base flange.

Step 9. Reconnect flame sensor wire.

Step 10.Fol

d insulation back into place. Be sure no wires are under

the insulation that could come in contact with burner flange.

Step 8.Install new flame sensor with new gasket provided

using screws from step 6. Arrange flame sensor with

hook towards burner.

Step 1. Position main power switch to “OFF”

Step 2. Disconnect (unplug) water heater

from 120 volt power source.

Step 3. Un-latch & remove surround cover

from top of heater.

WARNING

120 volt potential exposure. Isolate the

appliance and reconfirm power is

disconnected using a multi-meter.

Flame

sensor

Blower tube

Cut insulation

Step 11. 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.

Step 12. Replace surround cover on top of

water heater.

Flame sensor

screws (X2)

Flame sensor

gasket

Flame senor