Combustion System Replacement Procedure
Step 1. Fully inspect burner mounting insert gasket for the following:
a
) Tears d) Dirt or debris
b) Missing material e) Other imperfections that would inhibit proper seal
c
) Cracks
If gasket is NOT affected by any of the above, gasket replacement is not required.
Step 2. Install combustion assembly using new gasket or fully inspected gasket from step 1.
Secure combustion assembly at the burner mounting insert using screws from step 6
on previous page. Tighten screws evenly.
Step 3. Reconnect wire harnesses to hot surface igniter or high voltage cable to spark rod, flame sensor, blower
and gas valve.
Step 4. Reconnect PVC venting, gas supply and silicone tubing to gas valve. Turn on gas
supply to heater and check for gas leaks, repair any gas leaks found.
Step 5. Restore 120 volt power supply to water heater and confirm proper operation following
the lighting instructions on the lighting instruction label or the lighting instruction located
in the installation and operating instruction manual.
Step 6. Replace surround cover on top of
water heater.
Gas valve
wire harness
Gas
connection
PVC vent
connection
Burner mounting
insert
Burner mounting
screw
(Total of 5)
Burner tube
Burner mounting
insert gasket
48
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