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Genuine Aprilaire 4403 Scale Central Insert / Float Chamber For Model 400

Genuine Aprilaire 4403 Scale Central Insert / Float Chamber For Model 400

  • $16.01
  • Rocket Speed

Genuine Aprilaire 4403 Scale Central Insert / Float Chamber For Model 400


The Aprilaire Scale Control Insert 4403 is the U-shaped component which encases the Water Panel.  It directs any built-up mineral deposits back into the water panel, and it prevents water from leaving the wet-pack section and entering another portion of the humidifier.  Used with the water panel number 45, and the distribution tray number 4407.  Also see the maintenance kit part number 4788.

Related Products:

Aprilaire 400A Humidifier

Aprilaire 400M Humidifier

Aprilaire 45 Water Panel (Pack of 2)

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