Bradford White RG130T N Series Service Manual page 32

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GAS CONTROL REPLACEMENT
Step 1. Rotate knob of the gas control to the "OFF" position.
Step 2. Turn off gas supply to the water heater.
Step 3. Disconnect the gas supply line from 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 inner door.
Step 7. Removal of gas control:
a) Disconnect main burner feedline, pilot tube, piezo igniter wire, inner door wire (red), and
thermopile wire (white) from gas control.
b) Remove gas control from water heater by rotating counter clockwise. DO NOT use a wrench
on the gas control body, 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.
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SERVICE PROCEDURE RG-VI
Gas Control Testing, Disassembly, & R eplacement
(White Rodgers Electronic & Honeywell)
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