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OMBINATION THERMOSTAT/GAS VALVE REPLACEMENT
Step 1. Rotate knob of the combination thermostat/gas valve to the “OFF” position.
Step 2. Turn off gas supply to water heater.
Step 3. Disconnect gas supply line from combination thermostat/gas valve.
Step 4. Turn off water supply and drain water heater completely.
Step 5. Remove outer jacket burner access door.
Step 6. Right side inner door removal.
a) Disconnect resettable thermal switch wire leads (leading from combination
Thermostat/Gas Valve) and remove wire tie from feedline.
b) Remove (2) 1/4" hex drive screws from right side inner door.
c) Remove (2) 1/4" drive screws from flange section of inner door.
d) Remove right side inner door and set aside. Be careful not to damage gasket
material on inner door.
SERVICE PROCEDURE RG-V
Combination Thermostat/Gas Valve
Testing and Replacement
14
Resettable Thermal Switch
Wire Connection
Remove Wire Tie
1/4" Hex Drive Screws shown
on Right Side Inner Door
1/4" Hex Drive Screws at
Flange section of Inner Door