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120 volt potential exposure. Isolate the
appliance and reconfirm power is disconnected
using a multi-meter.
WARNING
Service Procedure II:
Combustion System Testing and Replacement
Combustion System Removal Procedure
Step 1.
Position main power switch to “OFF”.
Step 2.
Disconnect (unplug) water heater from 120 volt
power source.
Step 3.
Turn off gas supply to water heater.
Step 4.
Un-latch and remove surround cover from top of heater.
Step 5.
From the gas valve, disconnect the gas connection, PVC intake venting, Silicone tubing and wire harness.
Step 6.
Disconnect wire harnesses flame sensor, gas valve, and blower. Disconnect high voltage cable from spark rod
connection.
Step 7.
Remove the 5 bolts (½" socket) holding the burner mounting insert in place.
Step 8.
Carefully remove combustion assembly with gasket from water heater.
Step 9.
See next page for combustion system installation procedure.
Heater components may be HOT when performing the following steps in this procedure. Take necessary precaution
to prevent personal injury.
WARNING
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