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Gas Control Removal From Thermal Well (cont’d)
Step 3. Turn off the gas supply to the water heater and disconnect the gas piping
from the gas control.
Step 4. Disconnect the pilot tube
using a 7/16” wrench and the main burner
feedline with a 3/4” wrench from the gas
control.
Step 5. Disconnect the wire harnesses and spark igniter/
flame sense wire from the gas control.
Step 6. Using the gas control service tool, p/n 239-45991-
00, available from your BWC parts supplier, insert the tool into
the back of the gas control.
Step 7. Pivot the tool towards the water heater, as far as possible. Lift straight up
on the gas control. The gas control should move about 1/8". Hold the gas control in
position and remove the tool. Lift straight up on the gas control to remove it completely
from the thermal well.
Gas Control Assembly to the Thermal Well
Step 1. Install the threaded end of the thermal well into the tank. Be sure the
thermal well flange is positioned properly to allow for proper gas control installation.
Tighten the thermal well using a 1-5/16” wrench.
Gas Control Assembly
Pilot and main
feedlines
Spark igniter/flame
sensor wire
Gas control
Gas control service
tool
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