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I have a intertherm electric furnace model #FEH=015HA=03 w/ an A coil for my AC. Date code 870902 . It burns out the transformer. It did it about a month ago and it was replaced by a certified electrician. Today 3/22/2011 it did it again. I have ordered another transformer to be delivered tomorrow. What could be causing this? thermostat?

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There is a short in the low voltage wiring somewhere...this type of thing can be very hard to track down and is probably a wire rubbed through somewhere...
Have the electrician install a 5 amp. automotive type fuse in the low voltage wiring right after the transformer to keep from burning up anymore transformers...I would do this even if you think you find the problem...


Posted on Mar 23, 2011


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