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Your cart is empty.About The Aprilaire 4010 Humidifier Transformer The Aprilaire 4010 Humidifier Transformer provides the ability to convert 110Volt to 24 Volt for installation. The leads connect to your 110 volt supply, and the screw terminals then provide the 24 volt output to the humidifier.
Russell Holmes
Reviewed in the United States on January 5, 2025
Transformer was perfect, fixed my humidifier perfectly .
Samy Aboukhadrah
Reviewed in the United States on January 26, 2019
Get the job done perfectly!!
Jeff Pasternak
Reviewed in the United States on February 20, 2018
Did the job
Chris Tomkow
Reviewed in the United States on December 28, 2018
My humidifier water solenoid wouldn’t stay on. Kept clicking. New transformer did the trick
Mike
Reviewed in the United States on December 21, 2018
Screw terminals were striped and not usable when received
TheCritic
Reviewed in the United States on April 10, 2018
Replaced old, defective transformer with this gem. Now my humidifier attached to my furnace works as expected!
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