Aprilaire 500 Humidifier, 24V Whole House Humidifier w/ Auto Digital Control Bypass Damper .5 Gallons/ hour
Aprilaire Model 500 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" wide x 13"tall and 10.25" deep. Plenum opening size 9.5" SQ Bypass connection comes mounted on the left and can be modified for the right side applications.