Model 400 Series Parts

Aprilaire Feed Tube with Sleeve 4335 - For Model 400, 500 and 600

Aprilaire Feed Tube with Sleeve 4335 - For Model 400, 500 and 600

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$15.75
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Aprilaire 4004 In-Line Strainer

Aprilaire 4004 In-Line Strainer fits in the inlet fitting of the water solenoid valve.

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$7.25
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Aprilaire 4040 24-Volt Solenoid Valve

Aprilaire 4040 24-Volt solenoid valve allows water to come into your humidifier.

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$82.75
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Aprilaire 4231 Yellow Orifice

Aprilaire 4231 yellow orifice meter the flow of water into your humidifier.

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$3.50
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Aprilaire Float Cover 4405 - For Model 400

Aprilaire Float Cover 4405 for Model 400

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$16.75
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Aprilaire Float Assembly 4406 - For Model 400

Aprilaire Float Assembly 4406 for Model 400

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$16.75
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Aprilaire 4407 Water Distribution Tray

Aprilaire 4407 Water Distribution Tray for Model 400

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$22.75
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Aprilaire Water Panel 45

Aprilaire water panel 45 is designed to fit the Aprilaire Humidifiers 400, 400A and 400M. Engineered to deliver the proper humidity to your home. Replace twice a season.
Conveniently packaged in a 2 pack.

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$39.99
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Aprilaire Maintenance Kit 4788

Aprilaire maintenance kit 4788 is designed to fit Aprilaire humidifier models 400, 400A and 400M to keep it operating like new.

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$88.00
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