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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 damper assembly, silicone tubing
and wire harness.
Step 6.
Remove the 2 gas valve mounting screws (Torx bit) located at
the 11:00 O-clock & 5:00 O-clock position 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.
Gas valve
assembly
Gas valve
mounting screws
(X2)
Step 8.
Install new gas valve with new gasket provided. Secure gas valve in place using
screws from step 6.
Step 9.
Reconnect PVC damper assembly, gas supply, wire harness and silicone tubing 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.
Blower / gas valve
Venturi mounting
flange
WARNING
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
Blower
gasket
37
37
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