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-   -   Thermostat wiring (https://www.askmehelpdesk.com/showthread.php?t=176819)

  • Jan 26, 2008, 06:49 AM
    fa47958
    Thermostat wiring
    Honeywell RTH4300B, I have only two wires red and black, when attached to the corresponding terminals the on/off manual switches the heat , however it is bypassing the thermostatic switching... any suggestions, THANKS!!
  • Jan 26, 2008, 06:56 AM
    NorthernHeat
    https://www.askmehelpdesk.com/heatin...tml#post268211

    One wire should go to Rh and the other to W

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