Window will NOT stay open

A home owner from California says:
Do any of these look like your parts?
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. The shoe resembles our 15-180. is that what you have? If so, then you may want to consider replacing your coil springs with our Series 190 coil balance. Check them out and let me know what you think.
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