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.
What’s Included:
- 10 Water Panel
- 4640 Scale Control Insert
- 4223 Drain Spud
- 4231 Yellow Orifice
- 4335 Water Feed Tube
- 4331 Distribution Tray
- 4004 In-Line Strainer
- User Manual
