| Genuine Aprilaire 4330 Scale Control Insert For Model 600 |
 The Aprilaire Scale Control Insert 4330 is the u-shaped component which encases the Water Panel Evaporator. Used with water panel number 35 and the water distribution tray number 4331. Also see the part number 4839 maintenance kit. For Models 600, 600A and 600M. Related Products: Aprilaire 35 Water Panel Aprilaire 4331 Water Distribution Tray Aprilaire 600A Humidifier Aprilaire 600M Humidifier Price: 16.99 |