Bradford White U-100T-88R-3N - Manual (Page 12)

Pilot/Electrode Assembly Inspection,
Cleaning and Replacement
Step 1. Turn off gas supply to water heater. Rotate gas
control knob to the “OFF” position.
Step 2. Remove outer jacket door.
Step 3. Remove burner and right side of inner door
per SERVICE PROCEDURE I, steps
3 and 4.
Step 4. Remove burner assembly from combustion chamber.
Step 5. Remove pilot/electrode assembly from burner (¼" drive tool)
Step 6. 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 7. Inspect pilot orifice:
a) Remove 7/16" nut from bottom of pilot assembly.
b) Remove pilot tube and pilot orifice.
c) inspect pilot orifice for blockage, must be cleaned or replaced.
SERVICE PROCEDURE III
Pilot Assembly Inspection, Cleaning
and Replacement
Step 8. Install pilot/electrode assembly to burner, secure with screw from step 5.
Step 9. Install burner and inner door per SERVICE PROCEDURE I, steps 5 through 16.
Step 10. To resume operation follow the instructions located on the lighting instruction label or the lighting instructions
located in the installation and operation manual.
Page 12
Primary Air
Opening
Pilot Orifice
ECO-MAGNUM
75/100-Gallon Atmospheric
7/16" Pilot
Assembly
Nut
Gas Control shown in the “OFF” position
12