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-   -   bad coil? (http://www.diychatroom.com/f17/bad-coil-74797/)

fishboy1002 06-27-2010 07:00 PM

bad coil?
 
how can i tell if my coil is bad. i hear people saying there coils went out. can i check??? thanks

Marty S. 06-27-2010 11:44 PM

Not without a lot of expensive equiptment . Best a home owner can do is take a temp reading between the supply and return. If you have a 17-21 degree difference between the two the coil probably is fine.


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