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120 volt potential exposure. Isolate the
appliance and reconfirm power is disconnected
using a multi-meter.
WARNING
Service Procedure IV:
Gas Valve Replacement
Gas Valve Replacement 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 & remove surround cover from top of
heater.
Step 5.
From the gas valve, disconnect the gas connection, PVC venting, wire harness and silicone tubing.
Step 6.
Remove the 2 to 3 gas valve mounting screws (Torx bit) located as shown below on the venturi mounting
flange and remove gas valve from water heater.
Step 7.
Remove any residual gasket material from blower and venturi mounting flange.
Step 8.
Install new gas valve with new gasket provided. Secure gas valve in place using screws from step 6.
Step 9.
Reconnect PVC intake venting, gas supply, silicone tubing & wire harness to gas valve. Turn on gas supply to
heater and check for gas leaks, repair any gas leaks found.
Step 10. 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 11. Replace surround cover on top of water heater.
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