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Servicing should only be performed by a Qualied Service Technician
8. Support the blower and burner assembly in a vertical position with the burner extending downward.
9. Remove the 3 brass locknuts holding the blower adapter to the flange plate.
10. Separate the blower from the flange plate.
11. Clean the flange plate surfaces removing any portions of the old burner gasket.
12. Remove the burner from the flange plate.
13. Insert the new burner into the flange plate and align the notch in the burner flange with the tab in the
flange plate.
14. Install the new burner gasket over the three studs extending from the flange plate.
15. Install the blower assembly on the flange plate with the 3 brass locknuts. Torque the nuts to 60 in.lb.
16. Install the new skirt ring flange gasket on the flange plate.
17. Install the blower and burner assembly into the combustion chamber and engage the 4 studs through
the mounting holes/slots in the flange plate. Install 4 flat washers and 4 brass locknuts on the studs and
torque to 16 ft.lb.
18. Reconnect the gas line.
19. Reconnect the spark ignition cable and ground wire plus the flame sensor wire at their connection
points on the flange plate.
20. Reconnect the blower's power supply. PWM control and pressure sensing tubing.
21. Check that all gas connections and fasteners are tight.
22. Turn on the gas supply and electricity to water heater.