Q&A for How to Install a Digital Thermostat

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  • Question
    What do I do if there is no blue wire?
    Community Answer
    If you are talking about the wire for the C (common) terminal you will either need to buy a thermostat that does not require a C terminal or you will have to buy a 24 volt transformer and wire that to an electrical box.
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    Not Helpful 1 Helpful 8
  • Question
    How do I change the battery of a digital thermostat?
    Community Answer
    You will need to remove the front cover or remove the thermostat from the wall to access the battery.
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    Not Helpful 4 Helpful 3
  • Question
    I replaced the thermostat. The heat is working, but not the air. What do I do if the air does not come on?
    Community Answer
    Verify you connected the wires in the manner appropriate for your air conditioner. The thermostat should have come with instructions.
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    Not Helpful 8 Helpful 4
  • Question
    Will these digital thermostats work with propane heat?
    Community Answer
    Yes. Both of my furnaces are propane and run by programmable digital thermostats.
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