Balance box needed.

A quick learner from New Jersey says:
April 12, 2022
My 34 year old window needs a new balance box. Which number replacement should I use?
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Casey from SWISCO responded:
April 13, 2022

Hello,

The 527 stamp shown on your original assembly indicates that you'll need the 24-531 Andersen sash balance for your repair. Take a look and thanks for posting! 
Andersen Sash Balance, 519, 523, 525, 527, 531
Andersen Sash Balance, 519, 523, 525, 527, 531
24-531
$54.20
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