Bradford White HE-4-50S6FSX - Manual (Page 22)

Page 22
Temperature Sensor Testing (cont’d)
Step 3. Disconnect the spark igniter from the gas control.
Step 4. Disconnect the gas control power harness from the
bottom of the control.
Step 5. Disconnect the flammable vapor sensor /
resettable thermal switch (FVS/RTS) harness from the bottom of
the control.
Step 6. Using a slotted screwdriver, remove the screw
(holding the cover on) at the bottom of the gas control.
Step 7. Depress both tabs on the top of the gas control
cover and pull to remove.
Step 8. Disconnect the temperature sensor wire harness
from the gas control board.
Temperature Sensor Testing
Spark igniter/flame
sensor wire
Gas control
Gas control power harness
FVS/RTS harness
Slotted screwdriver
Temperature sensor wire
harness
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