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    Nest to replace very old Timer/Programmer & Thermostat

    Terminology does not relate to understanding. I might not know the lingo but I tend to understand most things involving logic. I'm an engineer by trade, studied electronics at college, was a calibration engineer for our aero engine test site (limited to 110v due to no papers) and enjoy dabbling...
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    Nest to replace very old Timer/Programmer & Thermostat

    Not to worry, it was maybe over your head :D
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    Nest to replace very old Timer/Programmer & Thermostat

    All done. Many thanks for all the help
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    Nest to replace very old Timer/Programmer & Thermostat

    Please excuse the archaic drawing, limited options so i had to stick with paint haha. Does this seem correct? I'm making a few assumptions but I think they are pretty reasonable. I'm positive nothing is getting from the controller to the thermostat directly so I think there must be a relay in...
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    Nest to replace very old Timer/Programmer & Thermostat

    Hi all, I'm going to replace my old timer/programmer with a nest thermostat. I understand I will have limitations due to how old my heating system is but I thought it was still better to have a more flexible control system even if the rest was as old as tea. From what I can ascertain I have...
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