Bradford White ECO-DEFENDER U130T*FRN Service Manual page 17

Gas Control Assembly to Thermal Well
Step 1. Install threaded end of thermal well into tank. Be sure
thermal well flange is positioned as shown in photo 3
for proper control alignment.
Step 2. Route wire leads back into relief opening.
(see photo 3).
Step 3. Align slots located on thermal well flange with tabs
located on back of gas control (see photos 3 & 4).
Step 4. Carefully push control back onto thermal well flange
as far as possible towards water heater. Slide control
down to lock into position.
Step 5. Install burner and connect pilot and feed line to gas
control.
Igniter Connection
Thermal well
flange slots
Step 6.
Step 7.
Thermopile
Wire Harness
Step 8.
Connection
3 Pin Thermal Well
Connection
Chamber Door
Temperature
Sensor
Page 17
SERVICE PROCEDURE ED-V
Gas Control Replacement Thermal
Well and Chamber Door Sensor
Testing and Replacement
3
4
Gas control Tabs
Reconnect wire harnesses and igniter
wire to gas control per the illustration to
the left.
Reconnect gas piping to gas control.
Restore gas supply and check for gas
leaks.
To resume operation, follow the
instruction located on the lighting
instruction label or the lighting instruction
located in the installation and operation
manual.
Route wires
through relief
opening
17