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HVAC Maintenance - Most Homeowners Fail This Quiz, Can You Pass?
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What is the function of the 'plenum' in a residential ductwork system?
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Hint
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⚖️
50-50
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Audience
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A
It pumps the refrigerant to the outdoor unit
B
It acts as a central distribution box connecting the HVAC unit to the ductwork
C
It filters the incoming outdoor air
D
It is the main drain pan for condensation
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