Service Manual

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33
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
WARNING
Service Procedure IV:
Gas Valve Replacement
Gas Valve Replacement Procedure
1. Position main power switch to OFF.
2. Disconnect (unplug) water heater from 120 volt power
source.
3. Turn OFF gas supply to water heater.
4. Unlatch and remove surround cover from top of heater.
5. From the gas valve, disconnect the gas connection, PVC venting, wire harness, and silicone tubing.
6. Remove the 2 to 3 gas valve mounting screws (Torx bit) located as shown below on the venturi mounting
flange and remove gas valve from water heater.
7. Remove any residual gasket material from blower and venturi mounting flange.
8. Install new gas valve with new gasket provided. Secure gas valve in place using screws from Step 6.
9. Reconnect PVC intake venting, gas supply, silicone tubing, and wire harness to gas valve. Turn ON gas
supply to heater and check for gas leaks, repair any gas leaks found.
10. Restore 120 volt power supply to water heater and confirm proper operation following the lighting
instructions on the lighting instruction label or the lighting instruction located in the Installation and
Operating Instruction Manual.
11. Replace the surround cover on the top of the water heater.