Bradford-White Corp MI30T*F PILOT/ELECTRODE Assembly Inspection Cleaning and Replacement

Removal of thermopile from

Honeywell pilot assembly is not

recommended, but can be achieved by viewing the pilot assembly from the top and pressing the thermopile towards the right while pulling to remove.

Primary Air

Opening

Pilot Orifice

Feedline Nut

White

Safety System®

PILOT/ELECTRODE ASSEMBLY INSPECTION,

CLEANING AND REPLACEMENT

Step 1. Turn off gas supply to water heater. Rotate knob of gas control/gas valve

to “OFF” position.

Step 2. Remove outer jacket door.

Step 3. Remove right side of inner door per SERVICE PROCEDURE RG-I, steps 3a through 3c.

Step 4 Disconnect thermocouple/thermopile, pilot tube, and feedline from gas control/gas valve.

SERVICE PROCEDURE RG-III

Pilot Assembly Inspection, Cleaning

and Replacement

For Honeywell Control, rotate knob counter-clockwise to the “OFF” position.

For White Rodgers Control, depress knob slightly and rotate clockwise to the “OFF” position.

For Robertshaw Control, rotate knob clockwise to the “OFF” position.

NOTE: Feedline nut for natural gas control

uses right hand threads, LP control uses left hand thread. Step 5 Disconnect piezo ignition wire from piezo igniter.

Step 6. Remove burner assembly from combustion chamber. Step 7. Remove pilot/electrode assembly from feedline Step 8. Inspect pilot for the following:

a)Primary air openings for blockage. Must be free from any debris (dirt, lint, etc).

b) Kinks or cracks in the pilot tube. If found, the pilot must be replaced.

Step 9. Inspect pilot orifice:

a) Remove ½" nut from bottom of pilot assembly.

b) Remove pilot tube and pilot orifice.

c) Inspect pilot orifice for blockage, must be cleaned or replaced. (Honeywell pilot orifice not replaceable, replace pilot assembly)

Step 10. Install pilot/electrode assembly to feedline, secure with screw from step 7.

Step 11. Re-Install burner assembly into combustion chamber, connect feedline, pilot tube and thermocouple/thermopile to gas conrol/gas valve.

Step 12. Install inner door per SERVICE PROCEDURE RG-I, step 4 through 13.

Step 13. To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual.

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