Andersen balancer sash replacement

A handy person from Pennsylvania says:
Need help identifying the two balancer boxes we need replaced. Installed back in 1987.
The number on the balance is E32 9#27 12 85. Last two numbers are hard to read, think it is 85. The emblem on them has AW inside a triangle? Other marks on the window is 11600-17.
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Paul from SWISCO responded:
I recommend our 24-939. This can replace Andersen balance boxes stamped with 9#27.
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