Pella window falling down

Landlord from Buffalo NY
Hello! We have a Pella window that is not staying up. There are two plastic part on the inside edges. One says 10 one says 9.0. I am unsure which parts to replace. Thank you!
2 Replies
Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

It sounds like you are in need of replacement window balances. To further review, please provide pictures of your original parts in question. From there we can determine the overall style for assistance with possible replacement parts. Thank you! 

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