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    weewilly's Avatar
    weewilly Posts: 1, Reputation: 1
    New Member
     
    #1

    Nov 11, 2006, 05:35 PM
    Intertherm Tstat
    I bought a double wide and not being to familiar with the heat/ac unit I would like to know what the setting mean on the INTERTHERM thermostat.
    EM HEAT, HEAT, OFF, COOL, FAN, AUTO, ON, EM HEAT, AUX HEAT
    That is how the settings read left to right, the last two being indicator lights. What's the difference between EM HEAT and HEAT and AUX HEAT?

    Bill
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Nov 22, 2006, 04:38 AM
    EM heat is strait electric only no heat pump

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