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    robert rob's Avatar
    robert rob Posts: 1, Reputation: 1
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    #1

    May 23, 2015, 07:44 PM
    What is the EM heat position on the thermo stat do or does
    What does the them heat position on th honeywell thermo stat do
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #2

    May 23, 2015, 08:37 PM
    Emergency heat. Usually electric to supplement a heat pump system when the temperature drops sufficiently low
    bitters's Avatar
    bitters Posts: 348, Reputation: 12
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    #3

    May 24, 2015, 02:09 PM
    EM switch locks out the heat pump and uses electric heat in the furnace.
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