Question about Honeywell Programmable Thermostat Heater

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Just moved into a new house and no manual for thermostat

Cant set the timer as dont know how to! its a honeywell cm 51

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  • Anonymous Mar 20, 2014

    My CM51 is broken what is an equivalent replacement

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  • 17 Answers

Do a search on honeywell.com fror the manual, also there is usually a short version of the instructions inside the front cover.

Posted on Nov 18, 2008

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