The stack switch or stack relay ____.
A) starts the fan motor when the thermostat calls for heat
B) shuts down the burner if it does not sense heat in the flue products
C) cuts off the ignition after the flame has been established
D) all of the above
Correct Answer:
Verified
Q3: The tangential shots in an oil burner
Q4: An auxiliary tank and booster pump system
Q5: The number engraved on the nozzle indicates
Q6: An oil burner equipped with the CAD
Q8: Nozzles can be cleaned to remove any
Q10: Match the component with its description.
Q11: The CAD cell is a safety device
Q12: In a single-stage fuel oil pump, the
Q12: When the oil supply is above the
Q13: Match the component with its description.
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