4190-02 MFG #: 4190-02
Out of Stock
  • Availability: Available for Delivery
  • Category: Humidifier Part
  • Warehouse Availability: AVON, CRNE, PLME, SALE, WESE
  • Refresh Carrier Images: Done
  • Refresh Carrier Images: Done
  • Sx.e Stocking Unit: Each
Nu-Calgon Humidi-Pro™ 25 Gallon, 1/4" MPT x 1/4" Compression, Humidifier Water Treatment

Keep humidifiers clean and scale free with Humidi-Pro. Inhibits scale for one season. Install on the water line that supplies water directly to the humidifier. Equipped with compression fittings for easy installation and seasonal change-outs.

Features & Benefits

  • Equipped with John Guest Fitting for Easy Installation and Seasonal Change Outs
  • Can be Installed Vertically or Horizontally
  • Not to be Used on Hot Water Line
  • Usage Temps of 40 to 80 Deg F
  • Install with Plastic Tubing Only
  • If Copper Tubing is Used, The Lead Edges Must be Beveled to Avoid Sharp End Severing the Internal O-Ring


  • Inlet/Outlet Connection: 1/4 Inch Male Threaded x 1/4 Inch Compression
  • Appearance Glassy Bead/Crystal
  • Bulk Density 1.67 Gram per Millimeter
  • pH Valve 6.5 to 7.5
  • Capacity 25 Gallon
  • Temperature Rating 40 to 80 Deg F (Operating)
  • Melting Point 1200 Deg F