Welcome to WaterFiltersFAST.com
Security Seals

  • Visit Us Socially
  • WaterFiltersFAST.com Facebook
  • WaterFiltersFAST.com Google +
  • WaterFiltersFAST.com Twitter
0 item(s) - Total: $0

Aprilaire #4640 Scale Control

Aprilaire #4640 Scale Control

Item SKU: APRILAIRE4640O

MFG ID: UAPRILAIRE4640O | UPC:




The Aprilaire 4640 is a humidifier insert that keeps your humidifier system working at its best. This product works with your 500 series model humidifier and will keep mineral scale out of the water. This will prevent build up and other contaminants from being released into the air you breathe.

Question & Answers

Q Why did you choose this?
Product Video
Related Products, Parts & Accessories
Aprilaire #4247 Fan Blade
Product Thumbnail
$21.99
Aprilaire #4335 Feed Tube
Product Thumbnail
$6.99
Aprilaire #4349 Door Catch
Product Thumbnail
$4.99
Aprilaire #4785 Maint Kit
Product Thumbnail
$69.99
Aprilaire #4793 Maint Kit
Product Thumbnail
$44.99
Trion Room Humidistat
Product Thumbnail
$89.99