Sash balance system
Quick Learner from Greenwood Indiana
Nov 17, 2025 6:24 pm
Looking for the sash balance spring assembly. The window sticker is attached. As well as a picture of the assembly. It is a single hung window from MI Windows and Doors with number 121237411.9.
3 user uploaded images
2 Replies
Jasmine from SWISCO
Nov 18, 2025 10:36 am
Thanks for reaching out to us! You'll need the 15-180 Coil Balance Shoe to replace your existing shoes. These are used with the Series 180 Coil Balances, attached using the 33-073 screw. Your coils are anchored to the window track using the 15-181 Double Support Detent Clip and 15-182 Balance Bushing.
The compatible pivot bar is the 26-040 Pivot Bar.
For instructions on selecting the correct coil weight option for your assemblies, take a look at the video tutorial tagged below this thread.
Alternate image for 15-180
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