Aprilaire 4839 - Maintenance Kit for Humidifier Models 600, 600A, 600M

The Aprilaire 4839 maintenance kit contains everything you need for your annual maintenance needs.  Completing this maintenance will keep your humidifier running cleanly and efficiently.

The 4839 Maintenance Kit contents include:

• Water Panel 35
• Scale Control Insert 4330
• Water Distribution Tray 4331
• Feed Tube and Compression Sleeve 4335
• Orifice 4231
• Drain Spud 4223
• Inline Strainer 4004
• Owner's Manual