Bradford White eF Series Troubleshooting Manual And Instructions For Service page 35

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 the surround cover from the top of the water heater.
5. From the gas valve, disconnect the gas connection, PVC venting, wire harness, and silicone tubing.
6. Remove the two gas valve mounting screws (Torx bit) located 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 venting, gas supply, silicone tubing, and wire harness to the 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.
Blower
Service Procedure IV
Blower/gas valve gasket
Venturi mounting
flange
WARNING
120 volt potential exposure. Isolate the appliance and
reconfirm power is disconnected using a multi-meter.
Venturi inlet
Gas valve wire harness
Gas valve
assembly
Gas valve mounting
screws (2 places)
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