Service Manual

35
35
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
WARNING
Service Procedure V:
Blower Testing and Replacement
Blower 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. Disconnect the 2 wire harnesses from blower.
6. Disconnect intake vent and gas supply from gas valve assembly.
7. Remove the 2 to 3 gas valve mounting screws (Torx bit) located on the venturi mounting flange (refer to
page 33 for more details.)
8. Remove the 4 blower flange mounting screws (5/32 Allen wrench) and remove blower from transition
flange.
9. Remove any residual gasket material from venturi mounting flange and transition flange.
10. Install new blower with new gasket provided. Secure blower in place using screws from Step 8.
11. Reconnect gas valve assembly to blower with new gasket provided. Secure gas valve in place using
screws from Step 7.
12. Reconnect intake vent and gas line to gas valve assembly and check for gas leaks repair any leaks found.
13. Reconnect the 2 wire harnesses to blower assembly, restore 120 volt power supply and gas 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.
14. Replace the surround cover on the top of the water heater.