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-   -   Need to run furnace blower with second thermastat (https://www.askmehelpdesk.com/showthread.php?t=265600)

  • Oct 1, 2008, 07:18 PM
    oldvern
    Need to run furnace blower with second thermastat
    Hooking a heating only t-stat [for out door wood stove] to electronic t-stat thought I could connect red and greeen to heating t-stat .Sounded good but ac condensing unit comes on,not just the blower on furnace .thinking problem ls the electronic t-stat I don't understand why this wouldn`t work must back feed through electronic t-stat and pick up ac relay on furnace control board any ideas thanks Vern
  • Oct 2, 2008, 04:22 AM
    hvac1000
    Yes buy a 2 stage heat thermostat or use a isloation relay. If you cannot hook up these items then I suggest Calling for a ON SITE inspection of what you are trying to do and follow the professionals advice once they see your set up.
  • Oct 2, 2008, 02:47 PM
    oldvern
    Quote:

    Originally Posted by hvac1000 View Post
    Yes buy a 2 stage heat thermostat or use a isloation relay. If you cannot hook up these items then I suggest Calling for a ON SITE inspection of what you are trying to do and follow the professionals advice once they see your set up.

    Easy fix think I will put in summer winter switch for now easier than pulling wire through finished walls thanks

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