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    Rayfredrick's Avatar
    Rayfredrick Posts: 1, Reputation: 1
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    #1

    Oct 16, 2013, 07:46 PM
    Furnace control board
    Should there be 24volts from the r terminal on board to all other terminals including c without any wires connected
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Oct 17, 2013, 07:42 PM
    Normally, yes as long as the board is getting power.
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