Inner Door Removal, Inspection & Replacement - Bradford White URG1PV40S*N Service Manual

UPV Series
Inner Door Removal Procedure
Step 1. Position gas control power switch to the "OFF"
position.
Step 2. Remove outer jacket burner
access door.
Step 3. Disconnect main burner feedline
3
( / " wrench), pilot tube (
4
wrench) and white igniter/flame
sense wire from the gas valve.
Step 4. Remove (4) ¼" hex drive screws from right
side inner door.
Step 5. Remove (3) ¼" drive screws from left side
burner door.
Step 6. Remove the connectors attached to the
resettable thermal switch on the manifold
mount.
Step 7. Remove the flammable vapor sensor from the
clip by pushing down the tab to open the clip.
Step 8. Remove inner door and inspect per step 9.
Step 9. Fully inspect inner door gaskets for the
following:
-Tears
-Missing material
-Cracks
-Dirt or debris
If the gasket is not effected by any of the above, gasket
replacement may not be required. If replacement is required,
proceed to Inner Door Gasket Replacement Procedure.
34
34
7
/ "
16
-Other imperfections that will inhibit
proper seal
-Gasket adhesion to inner door
-Material on combustion chamber