DV Series
23
Combination Thermostat/Gas Valve Replacement (cont.)
c. Position thermocouple, pilot tube and piezo wire against left side inner door flange gasket.
DO NOT ROUTE THROUGH RADIUSED CHANNEL WITH FEEDLINE. Be sure that
thermocouple and pilot tube are not in position to interfere with outer jacket burner access
door when reinstalled.
d. Firmly place the right side inner door flange against the left side inner door flange and
secure with two (2) hex drive screws from Step 6c. DO NOT OVER TIGHTEN SCREWS.
e. Align the right side inner door to combustion chamber and verify the fastener holes of the
combustion chamber are aligned with the right-side inner door slotted openings. Verify seal
integrity around the combustion opening. Secure right-side inner door using two (2) hex drive
screws from Step 6b. DO NOT OVER TIGHTEN SCREWS. Verify both left and right sides
of the inner door are properly positioned and sealed against the combustion chamber.
Step 10. Reconnect wire leads from the gas valve to resettable thermal switch (see Step 6 photo).
NOTE: Wire terminations are interchangeable with either resettable thermal switch connection.
Step 11. Replace the outer jacket burner acess door.
Step 12. Reconnect the gas supply to the gas valve.
Step 13. Resume water supply to the water heater. Be sure the tank is full of water.
Step 14. 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 IV
Gas Control Testing and
Replacement
23
