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-   -   Thermostat (https://www.askmehelpdesk.com/showthread.php?t=211166)

  • Apr 30, 2008, 10:32 AM
    flacoromeo
    Thermostat
    I recently purchased a Robertshaw Thermostat, it is not battery operated, but it is 24 VAC Powered. Well the wiring that comes out of my wall only has 4 wires, but I heard that I need 5 wires to make that thermostat work. Can you let me know if that is true or not. If it is true is there any way I can just use four wires? Please let me know?
  • Apr 30, 2008, 02:07 PM
    hvac1000
    Old thermostat brand and model number?

    New thermostat model number?

    It is a good possibility you will have to add another wire.

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