Channel balance for non tilting window

A home owner from Utah says:
I have brocken channel balance. The series ? sash support system with a channel balance for a non-tilt window. The channel's width measures 1/2". This balance is 28", I don't know what shoe and the top it shoud come with. Do you have suitable model?
Thank you
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Sure, we should have this. I have narrowed down the list of replacement balances to two: either our S380-28 or S385-28 channel balance. The only difference between these two is the size of the shoe. You will need to measure yours to confirm the better match.
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