Service Manual

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 property damage, personal injury
or death. Do not over tighten screws in
steps 8, 10 and 11.
If a fastener connection is stripped,
contact the manufacturer listed on the
water heater rating plate.
Radiused Channel
for Feedline
Position pilot tubing and
igniter/sensor wire.
TTW SERVICE PROCEDURE XIII
Inner Door/Gasket Removal, Inspection
Replacement and Reinstallation
Page 35
Step 7. Clean any residual gasket residue or other debris
from combustion chamber surface before
installing the inner door/gasket assembly.
Step 8. Place the left side inner door into position first.
Firmly position the radiused channel of the inner
door around the feedline. Using the 1/4” hex drive
screws from step 3c, secure left side inner door in
place. DO NOT OVER TIGHTEN SCREWS.
Step 9 Position pilot tube and igniter/sensor wire
against left side inner door flange gasket.
DO NOT ROUTE
THROUGH RADIUSED
CHANNEL WITH FEEDLINE.
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