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    rtw1979's Avatar
    rtw1979 Posts: 2, Reputation: 1
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    #1

    Aug 11, 2010, 10:37 PM
    What do I need to do to get power to the thermostat
    Well my heatpump stop working and I've been asking around what could it be well someone said get a new thermostat I did but there no power going to the thermostat what do I need to check or replace to get power going to it again
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Aug 11, 2010, 11:14 PM

    Power to the tstat comes from the transformer in the airhandler/furnace,normally the red tstat wire brings 24 volts to tstat,, its possible when changing out the tstat if a person fails to turn off the power at breaker they will make a spark and fry transformer,, but if it's a later model gas furnace one shoulg 1st check the fuse in the circuit board for it could be blown
    rtw1979's Avatar
    rtw1979 Posts: 2, Reputation: 1
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    #3

    Aug 13, 2010, 01:14 AM
    Quote Originally Posted by wmproop View Post
    power to the tstat comes from the transformer in the airhandler/furnace,normally the red tstat wire brings 24 volts to tstat,,,its possible when changing out the tstat if a person fails to turn off the power at breaker they will make a spark and fry transformer,,,but if its a later model gas furnace one shoulg 1st check the fuse in the circuit board for it could be blown
    It don't have a fuse I looked it stopped working before a storm came and when I took the tstat off the wall I had the power turned off I just don't know what it is .it a OLDER airhandler its in a 1985 single wide
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