Constant force spring provides smooth, even operating
No adjustments required!
Corrosion resistant stainless steel coils!
Spring manufacture by American Spring Compnay with 150 years of experience!
operation with reduced noise provided by the coil riding on the wheel!
Patented sash retaining
pvot bar to shoe system!
Mounts below the meeting rail so no balance cover is required!
pair of 9 lb coils for a 18 lb sash!
System stackable up to four springs
for a 72 lb sash!
Preassembled for easier manufacturing or field replacement!
Four Jaks balances have been engineered with customer satisfaction as a priority: