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  1. Replies
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    Thanks - mine is an 020277. I bought an 020280...

    Thanks - mine is an 020277. I bought an 020280 and found it is different and unusable so I guess what you have won't work for me. Mine was installed in 1991, probably made in 1990. If you run across...
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    On the bottom left side of the board is the board...

    On the bottom left side of the board is the board number. It's written in what almost looks like a solder run - that's the color / apperance of the printing of the number. Please let me know what...
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    Good thought - thanks

    Thanks for that idea - I had the system "professionally" installed and they put two dampers on one circuit. That may be what caused the problem. When I get another board or mine repaired, I will use...
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    Need the control board

    If anyone has a Carrier Comfort Zone 4 zone controller board, let me know about it and the price. I'm too cheap / poor to replace my whole system but Zone 1 remains open all the time regardless of...
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