2500 SERIES

TILT-IN DOUBLE HUNG

For those looking for an affordable and practical tilt double-hung window, the 2500 Series is an excellent choice and particularly well suited for low-to-mid-rise projects.

STANDARD FEATURES

  • ⅞” Insulated glass unit
  • Burglar resistant anti-drift latch at top sash
  • Tilt in sash for cleaning
  • Slim sight line
  • Integral extruded pull up & pull down handles
  • Spiral balances calibrated for sash weight
  • Mates with the 3050 Series fixed
  • Male / Female Impost for composite units
  • Fiberglass Mesh Screen

OPTIONAL FEATURES

  • Metal tilt latch
  • Class 5 Balances
  • Snap latch at bottom rail
  • Flange (1 ½”, 2”)
  • Head expander

AVAILABLE ACCESSORIES

  • Receptor system
  • Panning
  • Trim

MODEL AAMA ratingSTRUCTURAL LOAD (psf) TEST SIZE WIND SPEED AIR (cfm/ft²)WATER (psf) U-VALUE¹
2501 C-50 / 6075 / 9056" x 91” 25 (1.6 psf) <0.2 7.5 / 9 0.36 - 0.45 

* Down-sized testing

Performance data based on testing by AAMA Accredited Laboratory and NFRC Simulation software/or independent testing. Actual results will vary based on field conditions, locations, size/configurations or glazing options. Be sure to verify the performance requirements for your particular project. 1 U-Values will vary depending on the glazing selected. Please contact Northern for more information.

STANDARD FEATURES

  • ⅞” Insulated glass unit
  • Burglar resistant anti-drift latch at top sash
  • Tilt in sash for cleaning
  • Slim sight line
  • Integral extruded pull up & pull down handles
  • Spiral balances calibrated for sash weight
  • Mates with the 3050 Series fixed
  • Male / Female Impost for composite units
  • Fiberglass Mesh Screen

OPTIONAL FEATURES

  • Metal tilt latch
  • Class 5 Balances
  • Snap latch at bottom rail
  • Flange (1 ½”, 2”)
  • Head expander

AVAILABLE ACCESSORIES

  • Receptor system
  • Panning
  • Trim

MODEL AAMA ratingSTRUCTURAL LOAD (psf) TEST SIZE WIND SPEED AIR (cfm/ft²)WATER (psf) U-VALUE¹
2501 C-50 / 6075 / 9056" x 91” 25 (1.6 psf) <0.2 7.5 / 9 0.36 - 0.45 

* Down-sized testing

Performance data based on testing by AAMA Accredited Laboratory and NFRC Simulation software/or independent testing. Actual results will vary based on field conditions, locations, size/configurations or glazing options. Be sure to verify the performance requirements for your particular project. 1 U-Values will vary depending on the glazing selected. Please contact Northern for more information.