Humidifier Maintenance Kit With Water Panel And Model 45 Replacement Filter For Whole House Humidifiers 400 Series Including 400 400A 400M Super Easy Install

The Aprilaire Humidifier Maintenance Kit for the 400 series includes all parts needed to service models 400, 400A, and 400M in one package. This genuine kit helps keep your whole-home humidifier performing at its best and is ideal for seasonal upkeep in homes with forced-air heating systems.

✅ Water Panel (45) 12.875" H x 9.875" L x 1.75" W (327 mm x 251 mm x 44 mm) for optimal performance; replace water panel twice per season
✅ Scale Control Insert (4403) durable insert for reliable water flow
✅ Water Distribution Tray (4407) ensures even moisture across the panel
✅ Feed Tube with Compression Sleeve and Nut (4335) secure fit for 400 series
✅ Yellow Orifice (4231) precise spray opening for even humidity
✅ In-line Strainer (4004) helps prevent mineral buildup and clogs
✅ Float Assemblies (4406) and Float Cover (4405) maintain safe water level
✅ Owner's Manual included with step-by-step maintenance guidance

💡 What is a humidifier maintenance kit for a whole home system and why buy one? A handy guide to common questions about maintenance kits. - Includes water panel and critical wear parts for 400 series - Maintains humidity levels and indoor air quality - Ensures proper fit and reliable operation with genuine parts