Used - Like New: This product has been opened and may have been lightly used. The product is in perfect working condition but may have slight cosmetic blemishes. All product accessories and manuals are included. It is in its original manufacturer packaging that will show signs of previous shipping.
Used - Very Good: This product has been opened and lightly used. It is in very good working condition but may have cosmetic blemishes. All product accessories and manuals are included. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping.
Used - Good: This product has been opened and used. It is in good working condition but may have cosmetic blemishes. There may be missing accessories or manuals. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping. The original packaging may be over-boxed, if needed.
Used - Acceptable: This product has been opened and used. It is in good working condition but may have cosmetic blemishes. There may be missing accessories or manuals. The product is in its original manufacturer packaging but the packaging will have damage from previous shipping. It may be over-boxed, if needed.
Open-Box: Aprilaire Maintenance Kit #4788 - Acceptable is backordered and will ship as soon as it is back in stock.
This Open-Box: Aprilaire Maintenance Kit #4788 has been fully inspected and tested to ensure proper functionality. You can buy confidently knowing every open-box comes with our 30-day money back guarantee. A great option if you're looking for quality and savings.
The Aprilaire Humidifier Maintenance Kit #4788 ensures your Aprilaire humidifier continues to perform at top efficiency.
Kit Includes
- Water Panel 45 (2 Pack)
- Scale Control Insert 4403
- Water Distribution Tray 4407
- Float Assembly 4406
- Feed Tube and Compression Sleeve 4335
- Yellow Orifice 4231
- Inline Strainer 4004
- Owner Manual
Compatible Models
- Aprilaire 400
- Aprilaire 400A
- Aprilaire 400M

