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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 Series Aprilaire 400A Aprilaire 400M
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🇺🇸 Ship from USA · On Agora since 2026
$137.99