Instructions & Brochures

Aprilaire 500-Series Humidifier Installation Instructions (500A Model 60) (pdf, 1024 KB)
Aprilaire Humidifiers Brochure (pdf, 2.85 MB)
Aprilaire Humidifiers Spec Sheets (pdf, 57.4 KB)
Humidifier Install Instructions - Fiberglass Duct (URL)
Aprilaire 4655 Manual Humifier Control Safety and Installation Instructions (pdf, 177 KB)
Aprilaire Humidifier Replacement Parts List (Current Models) (pdf, 3.22 MB)
Aprilaire Humidifiers Owners Manual (pdf, 984 KB)

Learn More

Aprilaire Plenum Opening Sizes (URL)
Aprilaire - Product Registration (URL)