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  1. J

    honeywell CM67ng temp controller

    Thanks for the quick reply. Now I know what is happening I shall leave things as they are.
  2. J

    honeywell CM67ng temp controller

    I have this honey well CM67ng set to start the heating at 6:00 am each morning but for some reason it has started to come on at 3:30 am. Has anyone any ideas why this is happening?
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