Anderson sash windows

A quick learner from Connecticut says:
July 19, 2023
Hello,

I need to replace the balances on a couple of Anderson sash windows. The balance has the following numbers stamped:
BR25 12 #27 2-88 or it could be 2-86 it also says Bay Port. These windows were put in around 1986.

Please let me know which balance to buy.
Thank you
Rich
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Lauren from SWISCO responded:
July 21, 2023

Hi Rich, thank you for posting,

Please review the 24-1231 Andersen Sash Balance that can be used to replace balance boxes stamped with 12#27. Let us know if you have any additional questions! 
Andersen Sash Balance, 1226, 1227, 1231
Andersen Sash Balance, 1226, 1227, 1231
24-1231
$54.20
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