Narroline sash balancer

A home owner from Monkton MD says:
Hello. I'm looking for replacement sash balancers for my Anderson Narroline window (2832). Numbers stamped are: B17 5/23 6-86. Hope you can help.
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Lauren from SWISCO responded:

Hello, thank you for posting, 

Please review the 24-531 Andersen Sash Balance that can replace balances marked with 5/23. Please let me know if you have any additional questions. 

How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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