Service Manual

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Service Procedure IX
Ignition Module/Control Board Replacement
Control Board Replacement
(Integrated Control w/ Direct Spark Ignition)
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. Locate the control board.
5. Carefully disconnect all wire connections from the control board.
Note: It may be necessary to identify wires for proper reconnection.
6. Depress the plastic tabs on the blower side of the control board first.
7. Tilt the control panel and slide control hook tabs from slots in the control panel (see image below).
8. Replace the control board and all wire connections.
9. Restore 120 volt power supply to the 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 Manual.
10. Replace the surround cover on the top of the water heater.
WARNING
120 volt potential exposure. Isolate the appliance and
reconfirm power is disconnected using a multimeter.
Blower
Control board
Unclip this
side second
Unclip blower
side first
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