ULTRA-LIFT®

Caldwell’s Hybrid Balances are ideal for heavier window sash applications: ULTRA-LIFT® balance is pre-tensioned so that it optimally operates the heavier window sash with manageable effort. Available with 0.670” and 0.750” diameters, for weight ranges up to 200 lbs (tandem).
ULTRA-LIFT® is AAMA Class 5 verified with a weight capacity of 10-200 lbs^ for single or tandem .670 diameters, 101-130 lbs^ single only for .750 diameters.

Product Features

  • High lift assistance, making a heavy sash easy to operate
  • AAMA Class 5 rating: Balance lifts 70% of sash weight
  • Rust resistant low carbon coated steel rod with low friction
  • Caldwell’s Music Wire Springs offer more consistent and dependable output
  • Custom built for optimal balance performance, for your window design
  • Available in White, Gray, Black or Tan PVC tubes
  • Tilt, Non-Tilt or Sideload Application: carrier dependent
  • Available clip-on