United Window & Door
4800 Series
Replacement Windows


4800 Series Replacement

4800 Architectural Specs            4800 Test Results


When you choose a double-hung, the slim lines and beautifully beveled exterior will make your home attractive both inside and out.

Besides beauty and flexibility, our 4800 Series double-hung window is designed to perform, saving you money on energy costs.

With grids between the glass for easy cleaning this window can brighten your home with classic style while providing years of energy saving performance as well as giving you the sense of security we all look for in a window product.


  • AAMA Certified Lineals to insure high quality
  • NFRC Rated for easy comparison to other windows
  • Tilt-in sashes for easy cleaning
  • Recessed tilt latches on top and bottom sash for easy sash tilting
  • Coextruded lift rail for solid construction.
  • Night / vent latches for ventilation
  • White in color (Standard)
  • Made on the 1/8" for width and height.
  • Welded Frame and Sashes for air tight seal
  • Pocket Sill to insure easy drainage
  • Warranty

Available Options:

  • Grids between the glass for easy cleaning and good looks.
  • Smarter Low-E Glass
  • Obscure Glass
  • White
  • Beige