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Why are draft-inducer fans necessary in today’s furnaces

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Reference no: EM131374154

1. What part of the furnace does the air travel through first in all furnace cabinet configurations?

2. Why should technicians be familiar with standing-pilot, natural draft furnaces, since they are no longer manufactured?

3. Why are draft-inducer fans necessary in today's furnaces?

Reference no: EM131374154

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