Service Manual
Re-installation of Inner Door With Gasket
WARNING
Stripped fastener connections may allow
for seal breach of inner door. A seal
breach may result in a fire or explosion
causing propertydamage, personal injury
or death. Do not over tighten screws in
steps 9, 11 and 12.
If a fastener connection is stripped,
contact the manufacturer listed on the
water heater rating plate.
Step8. Clean any residualgasketresidue or other debris
from combustion chamb
ersurface before
re-installing the inner door/gasket assembly.
Step9. Place the burner door intoposition first. Tighten
the feed line nutto the gas control. Use the ¼”
hexdrive screwwithou
tthe built-in washerto
secure burner doorto the chamber at position #1.
Use the ¼” hex drive screws with the built-in
washerto secure the door at positions #2 
(see photos 4&5, on page 14).
DO NOT OVER TIGHTEN SCREWS.
Inner Door Gasket Replacement Procedure
WARNING
If the information in these instructions is not
followed exactly, a fire or explosion may result causing
propertydamage, personal injury or death.
Step6. After inspection of inner door as notedinstep 5, completely remove gasket and adhesive residue from burner
door and rightside inner door as needed.
Step7. Use RTV sealant (re
commendedbead size 1/8") to secure the inner door gasketto the inner doorsections
(right &burner). The burner door gasket must be slicedinthe location shown on the illustration below in
or
derto slide the gasket overthe burner venturi. Referto illustration below for proper RTV sealant
application. Note the overlap configuration in the flangearea of the inner door.Ensur
e thatthe chamfer of
the gasket faces outward. Setthe flange section first, this will help to achieve the proper overlapposition.
UTTW SERVICE PROCEDURE I
Burner and Inner Door/Gasket Removal,
Inspection, Replacement and Reinstallation
Page 15
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