Aprilaire Humidifier Wiring Diagram. Please take note of the difference between the high and low voltage lines. The following illustration describes six possible ways to wire your Aprilaire humidifier to your furnace or air handler.
For Aprilaire humidifier installation, follow Aprilaire Humidifier Installation Instructions.
You should have wiring diagrams in with the unit you bought that will help with yours.
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Do you have an old Aprilaire humidifier that is over warranty and beyond repair? The Aprilaire comes with a humidistat which gets installed on the return side of the plenum, so do I still use Does anyone have any more specific wiring diagrams as to what goes where? Okay, so you see the new model that replaces your old Aprilaire humidifer, but will it fit the hole that is already in your ductwork?
