AK HVAC Practice Questions - Alaska Mechanical Administrator HVAC License Exam

What is the purpose of a barometric draft regulator on a conventional oil-fired furnace?

To increase the furnace's heating capacity To maintain consistent draft in the chimney by automatically adjusting to wind and temperature conditions To regulate the oil pressure at the burner nozzle To filter outdoor air before it enters the combustion chamber

Correct Answer:

To maintain consistent draft in the chimney by automatically adjusting to wind and temperature conditions

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