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Question About Honeywell Thermostat CM901
CM901 LED display...

We have had this model thermostat since May 2008 in our conservatory, controlling underfloor heating. Although I have changed batteries, the display is only visabe in parts making it impossible to reset or adjust. Once winter comes it will be impossible to change settings/temp etc. What's the options please?

Asked by Percy on 07/28/2009 1  Answer

ManualsOnline posted an answer 15 years, 3 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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