Step 1. Position main power switch to “OFF”.
Step 2. Disconnect (unplug) water heater from
120 volt power source.
Step 3. Turn off gas supply to water heater.
Step 4. Un-latch & remove surround cover from top of
heater.
Step 5. From the gas valve, disconnect
the gas connection, PVC venting,
wire harness and silicone tubing.
Step 6. Disconnect wire harness from
blower assembly.
WARNING
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
Step 7. Remove the two screws holding
each the hot surface igniter and
flame sensor in place (long reach
magnetic Phillips screw driver).
Remove hot surface igniter and flame
sensor from combustion assembly.
Step 8. Remove the 4 nuts (7/16" socket) holding
the burner transition in place. Lift the blower/gas
valve transition assembly from burner mounting
insert, remove gasket and set aside.
Step 9. Remove burner tube from burner
mounting insert. See page 23 for
burner tube inspection procedure.
Page 22
WARNING
Heater components may be HOT
when performing the following steps in this procedure.
Take necessary precaution to prevent personal injury.
Burner Tube Removal Procedure
BURNER TRANSITION
MOUNTING NUTS
SERVICE PROCEDURE EF-III
Burner Tube Inspection and Replacement
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