Balance spring for tilt windows

Quick Learner from Indianapolis, Indiana
Looking to see what parts I would need to replace these on each side it looks like I need the triple but not sure?
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Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

At first sight, your balance assembly resembles the Series 140. Would if be possible to see the rest of the broken pivot shoe that the coil springs attach to? This will help us further confirm.

Strat by reviewing the overall style and dimensions to see how they compare. The pivot shoe is 1-1/4" wide by 9/16" thick. Are you also able to provide the weight of the window sash? Once removed, place on a bathroom scale. Thank you! 

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