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Old 08-06-2015, 01:10 PM   #1
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Join Date: Aug 2015
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Replace circuit board for a/c

I have a 99 Winnebago Adventure and we need to replace the circuit board that controls a/c. We can see where wires have melted together and the a/c does not work properly. The only thing I can see on the board is Watsco Companies, model 6636-871, serial 019916252. I am having no luck finding a replacement part for this. Any ideas?

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Old 08-06-2015, 04:37 PM   #2
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Try calling them

Contact Us « Watsco, Inc.

Jim J
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 08-06-2015, 05:11 PM   #3
Join Date: Mar 2011
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We had an analog Duo-Therm board that went south. Had to replace the board and thermostat with a digital. Went from 7 wires to 3 and was fairly easy. Just make sure you make sure ALL of the power is disconnected.
2nd board was just as much as the first.
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replace, ace

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