Help: Nest Installation/2 wires humidifier


Old 02-21-16, 07:46 PM
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Help: Nest Installation/2 wires humidifier


I just purchased a Nest 3rd Generation, now, the diagram for the thermostat for my heating system is easy, but I have a 2 wires humidifier with a orange and I guess brown wire (not completely sure of the color on this one).
Nest does not provide any info on that I pay a professional installation will bring the "final price" of this thermostat out of my reach.

I need help, please, so I can do the installation by myself.

Thank you
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Old 02-21-16, 08:22 PM
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Welcome to the forums.

Pretty hard to help you.... you didn't leave much information.

Does the humidifier need 24v to operate or contact closure ?
If you don't know.... I'll need make and model number.

Does your furnace have a C connection ?

You will need one spare thermostat wire from the nest to the humidifier.
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