Chokingly Strong Furnace Exhaust

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  #1  
Old 12-22-12, 09:03 PM
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Chokingly Strong Furnace Exhaust

Hi all, I live in NE Ohio, and have a 2000 355 MAV Bryant Plus 90i natural gas high-efficiency condensing furnace.We've had mild weather until just the last 2-3 weeks when our heating season has really now begun.
With its beginning over the last 3 weeks or so my furnace exhaust has been so strong that I am taking a deep breath before going out my back door where our prevailing winds generally push the exhaust on its way across the driveway.

The furnace appears to be operating normally in every way, except the heated air temp may be low. Using a temp. gauge I get a heated air temp of 118 degrees with the furnace on high in the plenum. (correct amber LED showing for furnace being on high)

What does the extremely strong exhaust indicate?

Thanks guys.
 

Last edited by muser; 12-22-12 at 09:36 PM.
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  #2  
Old 12-22-12, 10:02 PM
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Major combustion problem - get the furnace checked immediately.

Also read this; secondary heat exchanger might be an issue - Recalls, Class Action Lawsuits - Some recall information on common home components
 
  #3  
Old 12-22-12, 11:35 PM
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What does the extremely strong exhaust indicate?
What kind of smell ? Natural gas ?
 
  #4  
Old 12-23-12, 05:07 AM
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Thanks guys, I will. I'll call today.

PJ, The smell isn't that of raw natural gas, but rather burnt gases.
 
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