coil balances

Hello, thank you for posting,

Please review the style and dimensions of the 17/32" thick 15-199 pivot shoe. This shoe is compatible with either the 1/2" thick Series 160 or the 3/8" thick Series 165 coil springs. 

Alternate view of 15-199

You will need to measure the original springs to confirm the correct series for the window. The original coil springs should have numbers stamped on them that indicates the weighted option needed. If there are no markings, we will need to know the weight of the window sash to move forward.

Also review the compatible support covers on the coil series page. Review the videos on the page for assistance and let us know if you have any additional questions!