DV Series
16
Thermocouple Replacement (White Rodgers Mechanical)
Step 1. Turn off gas supply to the water heater. Rotate the knob of the combination
thermostat/gas valve to “OFF” position.
Step 2. Remove the outer jacket door.
Step 3. Remove the right side of the inner door per Service Procedure I, Steps 3a through
3c.
Step 4. Disconnect the thermocouple from the combination thermostat/gas valve. Locate
other end of the thermocouple inside of the combustion chamber and remove from
the pilot bracket. Pull firmly, pulling away from the pilot assembly.
Step 5. Install a new thermocouple into the pilot bracket, making certain the thermocouple is
fully engaged into the pilot bracket. Position the thermocouple against the left side
inner door flange at its original position. Connect the other end of thermocouple to
the combination thermostat/gas valve (finger tight + a 1/4 turn).
Step 6. Inspect the inner door gasket per Service Procedure I, Step 4.
Step 7. Install right side inner door per
Service Procedure I, “Installation of Inner Door with
Gasket,” Step 6 through 8.
Step 8. To resume operation, follow the instructions located on the lighting instruction label
or the lighting instructions located in the Installation and Operation Manual.
Service Procedure II
Thermocouple/Thermopile
Testing and Replacement
16
