Identify Replacement Channel Balance

A home owner from North Palm Beach, FL says:
October 23, 2017
I am replacing 1/2" wide channel balance on older windows. The bottom shoe does not appear to match any of the shoes you have. It has wings that are below the metal channel: the wings are 1 1/8" tip to tip, 1" deep and 1 1/8" high. the shoe extends 1/4" below the metal channel piece. The top piece is also different with wings that extend 3/4" above the metal channel piece. Its wings are 1 1/8" tip to tip and the plastic piece is 1 1/4" long. The metal channel is 24 1/2" long. Pictures attached.
Channel Balance
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Tom from SWISCO responded:
October 31, 2017
Thanks for your patience in this matter. You have a very old and unique type of balance that is no longer made. That said, I think you can get our S380-25 to work as a substitute. Check it out and let me know what you think. I know the nylon ends have a bit of a different design, but they should work the same way. I would also recommend the 2440 option, which can support sashes weighing 19 through 24 pounds.
A handy person from North Palm Beach says:
October 31, 2017
Tom, Thanks for the reply. I will give this a try with the parts you suggested. I ordered two with two sash guides. If these are too loose, do you have any shoes and tops that have 1 1/16" wings for the 1/2" channel balances?
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Tom from SWISCO responded:
November 1, 2017
I don't believe we do. That's extraordinarily wide. Let me know how the Series 380 works out, and if there are any problems we can work from there.
25" Series 380 Channel Balance
25" Series 380 Channel Balance
S380-25
$10.55
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