Bradford White UPDX2-75T6FRN - Manual (Page 40)

UPDX Series
UPDX SERVICE PROCEDURE XV
Inner Door/Gasket Removal, Inspection
Replacement and Reinstallation
Page 40
Step 16. Firmly place right side inner door flange against the burner door flange and secure with two ¼” drive
screws from step 5. DO NOT OVER TIGHTEN SCREWS.
Step 17. Align right side inner door to combustion chamber and verify the fastener holes of the combustion
chamber are aligned with the right side inner door slotted opening. Verify seal integrity around combustion
opening. Secure right side inner door using 1/4” hex drive screws from step 5. DO NOT OVER TIGHTEN
SCREWS. Verify both burner and right sides of the inner door are properly positioned and sealed against
the combustion chamber.
Step 18. Reconnect the spark igniter/flame sense wire to the gas control
Step 20. Tighten the pilot nut to the gas control.
Step 21. Replace outer jacket burner access door.
Step 22. To resume operation follow the instructions located on the lighting instruction label or the lighting instructions
located in the installation and operation manual.
Verify threaded hole
alignment with slotted
openings in inner door.
Position Fiberglass Sock
Secure flange with
¼" drive screws.
Step 15. Position the fiberglass sock containing
the igniter wire against burner door
flange gasket.
Installation of Inner Door
With Gasket (Continued)
40