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Friend of Daves

Posted by mark on December 17th, 2002 04:15 PM
In reply to The Only Reason..... by Dodgeman on December 15th, 2002 10:49 AM [Go to top of thread]

"Dave's friend" is right. When they sized the capacity of the furnace to the house, they included those rooms you are not heating. The flow
of air in the system will be restricted if you shut of the supplys to those rooms, the heat ex-
changer gets too hot, and the high limit switch
will kick off the burners. This reduces the life
of the heat exchanger, and is using the limit
switch to control the furnace. (not it's intended

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