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Question About Lennox International Inc. Air Conditioner G40UH(X)
Lennox package unit with small circuit board next ...

Lennox package unit with small circuit board next to contractor. It has a relay that is failing. What is this little circuit board for. GCS20R-411 I think

Asked by Wes kennedy on 06/23/2011 1  Answer

ManualsOnline posted an answer 13 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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