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    tabitha21's Avatar
    tabitha21 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 26, 2008, 04:45 PM
    House heater want work on auto.
    We have a 3 ton heater, we went and bought a new thermostat for it. It will not come on if you put it on auto. You have to keep it on ON and it runs all the time. The air that comes out is hot but I'm not sure why it want come on on auto.
    twinkiedooter's Avatar
    twinkiedooter Posts: 12,172, Reputation: 1054
    Uber Member
    		  
    #2

    Dec 27, 2008, 11:44 AM

    Are you sure you bought a compatible thermostat for this unit? Are you sure you wired it properly?
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