Andersen Sash Balance 11600-17

A home owner from Barrington, RI says:
I need to buy a replacement balance for my Andersen double hung windows. The number on the old balance is 11600-17, and the number on the tab is 827 and BK 59 7 92. I have read some old discussions here, but I am still not sure which replacement part I should order.

A quick learner from Barrington, RI says:
I add the pictures for my question.
User submitted photos of an Andersen window balance.
Profile picture of Paul
Paul from SWISCO responded:
I recommend our 24-837. This can replace balance boxes stamped with the number 827.
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