DV Series
31
Gas Control Replacement (White Rodgers Electronic and Honeywell)
Step 1. Rotate
the gas control knob to the “OFF” position.
Step 2. Turn off gas supply to the water heater.
Step 3. Disconnect the gas supply line from the gas control.
Step 4. Turn off the water supply and drain the water heater completely.
Step 5. Remove the outer jacket burner access door.
Step 6. Right side inner door removal:
a. Disconnect the red wire leads from the resettable
thermal switch.
b.
Remove two (2) 1/4” hex drive screws from right side
inner door.
c.
Remove two (2) 1/4” hex drive screws from flange
section of inner door.
d. Remove the right side inner door and set aside. Be
careful to not damage gasket material on the inner
door.
Step 7. Removal of gas control:
a. Disconnect the main burner feedline, pilot tube, igniter wire, innder door wire (red), and
thermopile wire (white) from the gas control.
b. Remove gas control from water heater by rotating counter clockwise. DO NOT use a
wrench on the gas control body, as damage to the gas control may occur. If necessary,
use a length of 1/2”
NPT pipe threaded into gas inlet of gas control.
Step 8. Install new gas control into water heater:
a. Install a new gas control into water heater by rotating clockwise. DO NOT use a wrench on
the gas control body, as damage to the gas control may occur. If necessary, use a length of
1/2” NPT pipe threaded into gas inlet of gas control.
Service Procedure IV
Gas Control Testing and
Replacement
31