Product Description
Aprilaire 500 model automatic whole-house bypass humidifier with digital control. Includes water panel, outdoor temp sensor, saddle valve, 24V transformer, built in damper. Unit is 15.62 inch wide x 13 inch tall and 10.25 inch deep. Plenum opening size 9.5 inch sq bypass connection comes mounted on the left and can be modified for the right side applications.
From the Manufacturer
The Aprilaire Model 500 Whole-House Humidifier features a built-in bypass damper and is designed for use in small to mid-size homes with automatic digital control for premium performance and convenience.