Chromotherm 3 to Chromotherm 4 replacement


Old 04-26-07, 10:50 AM
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Chromotherm 3 to Chromotherm 4 replacement

I have a chromotherm 3 that displays the 'repl batt' constantly. I replace the batteries and the display does not change. Periodically the total display is blinking meaning I have to reprogram. I would like to replace th 3 with a 4 for use with a heat pump. Are there any 'gotchas' that I should be on the lookout for, or is it pretty straight forward?

thanks . . tim manville
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Old 04-26-07, 07:44 PM
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The new T-stat will be MUCH nicer than the old one. Better display, a bit easier to program, and also alot more options to do.

If you want something even better, look into the VisionPro t-stat.

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