An extended travel Block & Tackle Balance for sideload applications: Caldwell’s APEX® balance is available with multiple end guide configurations, for different jamb sizes.
APEX® succeeds AAMA Class 2 with a weight capacity of 2-53 lbs.
- Extended travel allowing for egress windows
- Caldwell’s Music Wire Springs offer more consistent and dependable output
- Remarkably consistent & smooth operation
- Independently rotating pulley wheels
- Stronger hemmed channel edges
- Parked mounting hook remains centred
- Elongated bottom guides provide design and application flexibility
- End Guide Configurations to easily fit into your jambs
- Winged and Non-Winged Options
- Single or Dual Springs to fit your weight requirements
- Optional 15P19 HD Take Out Clip to ease sash removal