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Lenox Heat Whisperer

778 views 2 replies 3 participants last post by  ben's plumbing 
#1 ·
Have a Lenox Heat Whisperer when the burner stops in the furnace the fan continues even though the fan is set on auto & it does not stop running unless the power is shut off.
 
#2 ·
First follow the thermostat lines into the furnace and remove the thermostat line connected to the "G" to see if the problem stops. If it does, you have a stat, stat connections or stat circuit problem.

If not you could try tapping the fan relay to see if it releases.
Usually this means that you will need a new blower board.
 
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