Service Manual

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

1. Position main power switch to OFF.

2. Disconnect (unplug) water heater from 120 volt

power source.

3. Unlatch and remove surround cover from the

top of the water heater.

4. Disconnect wire lead from spark rod.

5. Remove the 2 mounting screws (magnetic tip,

long reach Phillips screwdriver) and remove

spark rod and gasket from transition base

flange.

6. Remove any residual gasket material from

transition base flange.

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).

8. Remove combustion system following Combustion System Removal Procedure (pg 27) and verify spark gap

following Spark Rod Gap Inspection and Adjustment (pg 38 ). Reassemble combustion system following

Combustion System Replacement Procedure (pg 27).

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.

Spark Rod