| Aprilaire 4793 Humidifier Maintenance Kit For 550, 550A And 558 Series |
 The Aprilaire 4793 Humidifier Maintenance Kit for Aprilaire models, 550, 550A, and 558 has everything to keep your Aprilaire humidifier working year-round. Aprilaire designed this tune-up kit for whole house small bypass humidifiers. Specifications: Humidifier Maintenance Kit for Aprilaire Models: 550, 550A, and 558 568, 600, 700, 760, and 768 Includes: Model 10 Water Panel 4004 Inline Strainer 4231 Yellow Orifice 4223 Drain Spud 4226 Water Feed Tube 4217 Scale Control Insert 4218 Distribution Tray Price: 52.99 |