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Old 04-11-2018, 05:14 AM   #3
WaltBennett
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Join Date: Mar 2013
Location: Hanover
Posts: 1,471
M.O.C. #13325
The furnace doesn't just stop right away. That's because there's still heat in the exchanger and it will keep blowing air through it until it cools off. Sometimes takes a bit, but should be off within 5 minutes.
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