coil/constant-force window balance system for a vinyl tilt window

Hello, thank you for posting,

Please review the style of the 15-180 pivot shoe that is compatible with the Series 190 coil springs. Compare the dimensions below to confirm a good fit! 

Alternate image for 15-180

Match up the number on the spring to confirm the correct weighted option. Also see the 15-182 balance bushing and 15-186 clip if needed. Let us know if you have any additional questions.