ULTRA HIGH EFFICIENCY POWER VENT/POWER DIRECT VENT - SERVICE MANUAL
BURNER (CONT)
Burner & Blower Removal
The burner should be removed and inspected whenever service is being performed for rough operation or ignition failure. Radial fire burners like the one used on this water heater can trap debris, see Service Notes - Venting on page 7.
The following images illustrate the burner removal procedure. Long T handle hex wrenches
Blower Prover Sensing Tube | |
1/8” Hex Machine Screws | Blower Flange |
BLOWER/BURNER REMOVAL PROCEDURE
1Ensure power to the water heater is turned off.
2The blower assembly must be removed first.
3Disconnect the two wiring plugs from the blower assembly sockets (see Service Notes - Blower page 10).
4Disconnect the Blower Prover air pressure switch sensing tube.
5Remove 4 blower flange mounting screws - 1/8” hex. Using long T handle hex wrench will save considerable time.Do not over tighten when reinstalling - torque should not exceed 40 inch lbs.
Flame Sensor
Blower Flange
6Remove the blower assembly from the blower adapter.
7Remove the blower flange gasket. Gasket may be reused if not damaged or showing signs of excessive wear.
8Remove the flame sensor - 1 Phillips head screw.
CONTINUED ON NEXT PAGE
Blower Flange Gasket
Blower Adapter
Technical Literature Department | 12 of 52 | Ashland City, TN © 2008 |
Servicing should only be performed by a Qualified Service Agent |
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