Counter balance for Andersen window

A home owner from Kensington, MD says:
I would like to know which counter balance for an Andersen window to get with the numbers 11600-2 and D56 7#31 7-82. Attached is a photo of the counter balance that is there now. Let me know if you need any other info.

User submitted a photo of a window balance.
AW Andersen Corp. BAYPORT, MINN.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting, Ruth. Check out our 24-737. This can replace Andersen balance boxes with the stamp 7#31.
A home owner from kensington, MD says:
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