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 (8-10”) will save considerable time when removing/installing the burner & blower.

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

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Ashland City, TN © 2008

Servicing should only be performed by a Qualified Service Agent

 

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State Industries SHE50-100NE, SHE50-100PE, GP650HTPDT manual Burner & Blower Removal, On Next