Question about Honeywell Water Heaters

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Replacement of heating programmer

Can I replace my existing honeywell CM51 heating programmer with a honeywell CM61 or CM67 programmer as a straight swap.
Thank you.

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Yea you should be able to just when you remove the old one mark witch wire went to witch connection by marking it some how i personaly take one wire at a time wrap it with a small piece of white tape and write the letters on the piece of tape then when i replace with the new one i cant mess it up also look for any of the wire connections to see if any have to be or have been jumped out

Posted on Dec 14, 2008

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