Safety & CodesPregunta 95 de 110
A cracked heat exchanger in a gas furnace is a serious hazard because it can do what?
a.Increase cooling capacity
b.Allow combustion products including carbon monoxide to mix with the supply air
c.Lower the refrigerant charge
d.Improve airflow
Explicación
A cracked heat exchanger can let flue gases, including carbon monoxide, leak into the circulating supply air and be distributed through the home. This is a life-safety hazard requiring the furnace to be shut down until repaired or replaced. Inspection for cracks is a standard safety check.
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