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Home Inspection

Category - Building Science

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Which of the following components is not part of a natural gas furnace?

Heat exchanger
Expansion valve
Combustion fan
Gas valve

Explanation

Answer: B - An expansion valve is not part of a natural gas furnace. Air conditioning systems use expansion valves to manage the refrigerant and reduce pressure on the system. Expansion valves are components of evaporators found in all air conditioners.

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