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Aprilaire Humidifier Maintenance Kit for 400 series

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Maintenance kit for Aprilaire Humidifier Models 400 and 400A. Kit contains:

• 2-#45 pad
• 1-#4231 Yellow Orifice
• 1-#4403 Scale Control Insert
• 1-#4335 Feed Tube
• 1-#4004 Strainer
• 1-#4407 Distribution Tray
• 1-#4406 Float Assembly

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