The Aprilaire 4010 Humidifier Transformer Replacement is a low voltage transformer that fits selected Aprilaire and Honeywell humidifiers. Also known as part number 4010, this humidifier transformer allows you to convert 110 volts to 24 volts for safe installation. Simply connect the leads to the 110 volt current. The screw terminals will then provide 24 volts. This transformer mounts in a utility box.
Fits selected Aprilaire and Honeywell Humidifier Models
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