Aprilaire®

Aprilaire® 4403 Replacement Scale Control Insert, Plastic, Black

APR4403 MFG #: 4403
Aprilaire® 4403 Replacement Scale Control Insert, Plastic, Black
  • Color: Black
  • Material: Plastic
  • Suitable For Use With: Model 400 Humidifier
  • Dimensions: 14 in H x 10-1/4 in W x 5 in Thk
  • Manufacturer: Research Products
  • Manufacturer #: 4403
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.

Aprilaire® Replacement Scale Control Insert, For Use With: Model 400 Humidifier, Plastic, Black, 14 in H x 10-1/4 in W x 5 in Thk
  • Features
  • Drain hole down oriented
  • 3 in thk ra