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2 wire nest stat

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I have a nest t stat hooked up to my waste oil furnace and I like it. The issue i have is that i want to hook up a c wire using a 24v ac adaptor my stat is as follows  and I am unsure of where to put my 2nd 24v wire 

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  • ratio
    ratio Member Posts: 3,649
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    The 'C' terminal is the 24 VAC common. This should be covered in the Nest manual.

    BTW, the same people read all the categories. You're not going to reach more people by multiple postings with the same question.

  • Erin Holohan Haskell
    Erin Holohan Haskell Member, Moderator, Administrator Posts: 2,326
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    I've merged these duplicate posts into one. Thanks!

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