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Burner Cleaning Procedure (cont’d)
Step 12. Re-assemble the burner assembly and re-install into the water heater.
Restore gas supply and check for gas leaks.
Step 13. To resume operation, follow the instructions located on the water heater
lighting instruction label. Or, use the lighting instructions located in the water heater
Installation and Operation manual.
Pilot Inspection, Testing, and Replacement
Note: The Pilot Maintenance section replaces page 13 in the Defender Atmospheric
service manual, p/n 238-44943-00.
Step 1. Move the gas control power switch to the “OFF”
position
Step 2. Unplug the water heater and Accessory Module from the
wall outlet.
Step 3. Turn off the gas supply to the water heater.
Step 4. Remove the outer door.
Step 5. Remove the (4) 1/4” hex drive screws holding the
right side inner door in place.
Burner Maintenance
Gas control power
switch
Outer door
(4) 1/4” hex drive
screws
Right side
inner door
Water heater power cord and
Accessory Module transformer
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