Bradford White UPDX2-75T6FRN - Manual (Page 38)

Page 38
UPDX Series
Inner Door Removal Procedure
Step 1. Position gas control power switch to the “OFF” position
Step 2. Unplug the water heater from the wall outlet
Step 3. Turn off the gas supply to the water heater
Step 4. Remove the outer door.
Step 5. Remove the four (4) ¼” hex drive screws holding the
right side inner door in place
Step 6. Remove the three (3) ¼” hex drive screws
holding the left side burner door in place.
Step 7. Disconnect the spark igniter wire and the
flammable vapor sensor harness from the gas
control.
Step 8. Disconnect the pilot tube from the gas control using a
7/16" wrench. Remove the main burner feedline from
the gas control with a ¾” wrench.
Step 9. Remove the burner assembly from the combustion chamber.
Step 10. Fully inspect burner and inner door gaskets for the following:
>Tears >Other imperfections that will inhibit proper seal
>Missing Material >Gasket adhesion to inner door
>Cracks >Material left on combustion chamber (around opening)
>Dirt or debris
If the gasket is not affected by any of the above, gasket replacement is not required. If replacement is
required, proceed to Inner Door Gasket Replacement Procedure.
¼” Hex Drive Screws Right
Side Inner Door
¼” Hex Drive Screws at Flange
Area of Inner Door
¼” Hex Drive Screws on Left Side
Inner Door
WARNING
If the information in these instructions is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or death.
Gas Control shown in the “OFF” position
Flammable Vapor
Sensor Harness
Pilot Tube
Main Burner
Feedline
Spark Igniter Wire
UPDX SERVICE PROCEDURE XV
Inner Door/Gasket Removal, Inspection
Replacement and Reinstallation
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