APRILAIRE Part No. 4792 Maintenance Kit. For Model 500, 500A, 500M Humidifiers
Aprilaire Humidifier Maintenance Kit 4792 includes everything you need to keep your Aprilaire Humidifier 500, 500A and 500M operating like new. Ensure peak performance for years to come
The maintenance kit 4792 contents include: -Water Panel 10 -Scale Control Insert 4640 -Water Distribution Tray 4331 -Feed Tube and Compression Sleeve 4335 -Orifice 4231 -Drain Spud 4223 -Inline Strainer 4004
