Aprilaire 4574 Replacement Internal Board Controller for AprilAire Humidifiers
Ask a Question
About this Product
The Aprilaire 4574 Replacement Internal Board Controller is an official Aprilaire product and that is designed for use with Aprilaire humidifiers. Aprilaire humidifiers are a great way to control the humidity within your home.
Write Your Own Review:
Questions & Answers
If you are a new customer, please register first:
You may also be interested in the following products:
to get 5% Off this Item!