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- AprilAire makes maintenance easier than ever with the Humidifier Filter / Water Panel Assembly Replacement Kit for AprilAire Whole-House Humidifier Models 500, 500A, and 500M. This all-in-one replacement kit is fully assembled for fast, simple maintenance that keeps your humidifier running like new. No need to remove scale buildup or manually clean any parts of the water panel assembly, just remove and discard the old one and slide in the replacement kit to refresh the performance of your AprilAire Whole-House Humidifier.
- 4640 Scale Control Insert
4331 Distribution Tray
10 Water Panel - Dimensions11.35 H x 2.88 W x 10.7 in DManufacturerAprilaireManufacturer #H510EZ1ASeriesEZKitSuitable For Use With500, 500A, and 500M Whole-House Humidifiers