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Spark gap must be set from 3/16” to 1/4". Failure
to set and verify proper spark gap may result in a
delayed ignition resulting in damage to the water
heater
WARNING
120 volt potential exposure. Isolate the appliance
and reconfirm power is disconnected using a
multi-meter.
WARNING
If the spark rod is replaced for any reason, the
combustion system MUST be removed and the
spark gap to the burner measured and adjusted
properly
WARNING
Service Procedure VII:
Spark Rod Gap Adjustment and Replacement
Spark Rod 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 & remove surround cover from top of
heater.
Step 4.
Disconnect wire lead from spark rod.
Step 5. Remove the 2 mounting screws (magnetic tip, long
reach Phillips screw driver) and remove spark rod &
gasket from transition base flange.
Step 6.
Remove any residual gasket material from transition
base flange.
Step 7.
Install new spark rod with new gasket provided using screws from step 6. Arrange spark rod with hook towards
burner (off-center mounting hole towards the front of the water heater).
Step 8. Remove combustion system following “Combustion System Removal Procedure,” and verify spark gap
following “Spark Rod Gap Inspection and Adjustment.” Reassemble combustion system following “Combustion
System Replacement Procedure.”
Step 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.
Step 10. Replace surround cover on top of water heater.
Spark Rod
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