Service Manual

Service Procedure VIII:

Ignition Module/Control Board Replacement

Control Board Replacement

1. Position main power switch to OFF.

2. Disconnect (unplug) the water heater from

the 120 volt power source.

3. Unlatch and remove the 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 re-connection.

6. Depress the plastic tabs on the top of the control first, then tilt the control forward.

7. Unhook the tabs on the control from the slots on the control panel and remove the control.

8. Replace the control board and all wire connections.

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.

Control board

Identify wires for

proper re-connection

Push down top tabs

then push out

Bottom tabs will unlatch

after top tabs are removed

WARNING

120 volt potential exposure. Use caution making

voltage checks to avoid personal injury.