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    jnsclark Posts: 1, Reputation: 1
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    Mar 16, 2014, 06:33 AM
    Ultra sx 80 gas furnace won't come on when thermostat is set
    I have a ultra sx 80 gas furnace that won't come on once thermostat is set I have to tape on the electronic ignition for it to come on. I thought that was the issue until it shut off before reaching temp. so I was going over the ignition box when I touched the 24 volt wires into the box could some one please help with any ideas thank you.

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