Caldwell’s EZ-Lift®: a pre-tensioned 5/8” Spiral Balance made for tilt and non-tilt residential & commercial windows.
EZ-Lift® succeeds a variety of AAMA Class Verifications: 2, 3 and 4, providing higher lift assistance for the extended weight capacity of 4-120 lbs!
- Manages heavier sash weights than Block & Tackle: Single pair solution for sash weights up to 60 lbs
- Suitable for most window designs and heavier sash weights, up to 120 lbs tandem in the popular .562 jamb pocket designs
- Performance up to AAMA Class 4, providing easy, uniform operation for every size window
- Pre-tensioned: simple installation and optimally operates the heavier window sash with manageable effort
- Tilt, Non-Tilt or Sideload Application: carrier dependent
- Available clip-on