SWISCO - The Replacement Hardware Authority

Coil Balance ID

A quick learner from OZONE park says:
I need to find replacement balances for the Thermo-tite windows I had installed in 2009. This company used to be located in Port Chester NY, but has gone out of business.

The balances are dual coil, but am unsure of pounds and part number. I know that it is a dual coil because they seperated and one half is at pivot point , and other half is at mid frame.(coil ribbon tore) 8R is printed on balance.
Any and all help in identifying a replacement part would be greatly appreciated.
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Tom from SWISCO responded:
Please show me a few pictures of the balance system itself. I will especially need to see pictures of the shoe and the springs. Thanks!
A quick learner from Ozone Park, NY says:
Tom, thanks for getting back to me.

I attached 2 pics
I tilted the window out and took one show at mid jamb and the other at the balance box at pivot point.
Let me know if these photos help or if you need additional measurements (depth of pocket etc)
User submitted photos of a coil window balance.
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Tom from SWISCO responded:
Thank you! The shoe looks like our 15-087, would you agree? If so, I also recommend our Series 180 coil spring.
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