Bradford White D4403S*F(BN Service Manual page 26

Gas Control Assembly
Gas Control Assembly to the Thermal Well (cont'd)
Step 2. Route the wire leads back into relief opening.
Step 3. Align the slots located on the thermal well flange
with the tabs located on the back of the gas control.
Step 4. Carefully push the gas control back onto the thermal well flange as far as
possible towards the water heater. Then, slide the gas control down to lock into
position.
Step 5. Install the burner assembly
and connect the pilot and main feedlines
to the gas control using a 7/16" and 3/4"
wrench, respectively.
Step 6. Reconnect the wire harnesses to the gas control.
Step 7. Reconnect the gas piping to the gas control. Restore the gas supply and
check for gas leaks.
Page 26
26
Wire leads on
thermal well
Slots in thermal well
Relief opening
Tabs on back of gas
control
Pilot and main
feedlines
Wire harnesses