Andesen window sash balance

A home owner from 08822 says:
April 3, 2022
I need to order sash balance for andersen window.
Old says Andersen 11600-17 and stamped E379#27 1-86
Can you tell me what to order from you ?
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Casey from SWISCO responded:
April 5, 2022

Hello,

Take a look at the 24-939, which can be used to replace Andersen balance boxes with stamp 9#27. Thanks for posting! 
Andersen Sash Balance, 927, 931, 937, 939
Andersen Sash Balance, 927, 931, 937, 939
24-939
$54.20
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