Bradford-White Corp Eco Defender, U130T*FRN Gas Control & Thermal Well Removal From Water Heater

Thermal Well

SERVICE PROCEDURE ED-V

Gas Control Replacement Thermal

Well and Chamber Door Sensor

Testing and Replacement

Gas Control & Thermal Well Removal From Water Heater

Gas Control

Step 1. Turn the gas control knob to the “OFF” position.

Step 2. Drain heater to a point below the gas

control level.

Step 3. Turn off gas supply to water heater and disconnect gas piping from gas control.

Step 4. Disconnect wire harnesses and burner assembly from gas control.

Step 5. Remove gas control & thermal well by rotating flats of Thermal Well counter clockwise (1-5/16"wrench).

Gas Control Removal From Thermal Well

Follow the steps below allows removal gas control from thermal well without removing thermal well from tank.

Step 1. Turn the gas control knob to the “OFF” position.

Step 2. Turn off gas supply to water heater and disconnect gas piping from gas control. Step 3. Disconnect wire harnesses & burner assembly from gas control.

Step 4. Using gas control service tool (239-45991-00) available from your BWC parts supplier, Insert tool into back of gas control (see photos below)

View from back of control for clarity

Insert tool from	Service tool shown
back of control	inserted in to back
	of control

Step 5. Pivot tool towards heater as far as possible (see photo below). Lift straight up on gas control. The control should move about 1/8". Hold control in position and remove tool. Lift straight up on control to remove completely from Thermal Well.

With service tool inserted, pivot tool back towards heater as far as possible. Lift straight up on control, control will move 1/8". Remove tool and continue to lift straight up on control to remove from Thermal Well.

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