Bradford-White Corp D)W275T*(BN, C(S, CX Step Turn off gas supply to water heater. Rotate knob

R

PILOT ASSEMBLY INSPECTION, CLEANING AND REPLACEMENT

SERVICE PROCEDURE AG-II

Pilot Assembly Inspection, Cleaning

and Replacement For Models Using White

Rodgers or Robertshaw Gas Control

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

Step 1.	Turn off gas supply to water heater. Rotate knob	For Robertshaw gas
	of gas control to “OFF” position.	control, rotate knob
Step 2.	Remove outer jacket door.	clockwise to the “OFF”
		position.
Step 3.	Slide open inner combustion chamber door.
Step 4.	Disconnect thermocouple, pilot tube,
	and feedline from gas control.
	NOTE: Feedline nut for natural gas control
	uses right hand threads, LP control uses left hand thread.
Step 5.	Remove burner assembly from combustion chamber.
Step 6.	Remove pilot assembly from feedline.	Figure 10
Step 7.	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 8. Inspect pilot orifice:

a) Remove ½" nut from bottom of pilot assembly.	Pilot Orifice
		Figure 11

b)Remove pilot tube and pilot orifice.

c)inspect pilot orifice for blockage, must be cleaned or replaced.

Figure 8

Figure 9

Feedline Nut

Primary Air

Opening

Step 9. Install pilot assembly to feedline, secure with screw from step 6.

Step 10. Re-Install burner assembly into combustion chamber, connect feedline, pilot tube and thermocouple to gas control.

Step 11. Slide inner combustion chamber door closed and re-attach outer jacket door.

Step 12. 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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