Please provide Swisco sash balance P/N

A home owner from Rochester, NY says:
My sash balance numbers follow;

P73 12#27 7 84

Please provide me with the corresponding Swisco sash balance P/N

Thanks, Ken
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Tom from SWISCO responded:

Hello, Ken. Based on your old stamp of 12#27, I recommend our 24-1231 Andersen sash balance. I feel confident that this is the part you want.

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