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    mikes9050's Avatar
    mikes9050 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 2, 2013, 10:30 AM
    Thermostat for central a/c
    I'm not getting 24 volts to my thermostat, where does the voltage come from and how do I check it
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member
    		  
    #2

    Apr 2, 2013, 06:32 PM
    I comes from the furnace or air handler. Look for a 3 or 5 amp automotive type fuse.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #3

    Apr 2, 2013, 07:32 PM
    If not the fuse, could be the transformer-I'd bet on a fuse, that's why they are there.
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