SWISCO - The Replacement Hardware Authority

Broken balance shoe

A home owner from Georgia says:
I have a window that has been difficult to open and close. Recently when trying to close the window I heard something pop and some plastic fall. After inspecting and googling a bit I found that I had a broken balance shoe and learned how to remove it. I located this website but I'm not quite sure which one is the closest match to mine. I'm also wondering if I should replace the balance spring at the same time.

The shoe measures 17/32" thick. 15/16" wide. 1 15/16" high. The only writing on it says "PATENT 4610108".

The balance is 9/16" thick. 9/16" wide. 29 1/8" high. The only writing on it says "29B BSI EL"

Thanks for your help!
User submitted photos of a window balance.
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Tom from SWISCO responded:
Good afternoon! Thanks for posting. Please see our S770-29 channel balance and our 15-179 pivot shoe. Do these look like appropriate replacements to you? Let me know if you agree.
A home owner from Georgia says:
It is either between that or the 15-167. I went ahead and ordered the 15-179. Hopefully it will work if not I suppose I will try the 15-167. Thank you for your assistance!
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Tom from SWISCO responded:
No problem! Let us know how it works out.
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