What is the purpose of the heat exchanger?
A) To separate the combustion gas from the circulating air while transferring heat from the combustion gas to the circulating air
B) To exchange the combustion gas for the circulating air in order to transfer heat into the house
C) To mix the combustion gas and the circulating air to transfer heat from the combustion gas to the house
D) To separate the combustion gas from the circulating air while transferring heat from the circulating air to the combustion gas
A
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Answer the following statement true (T) or false (F)
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