Window balancer

A quick learner from Penna says:
June 26, 2022
My visible glass size of the sash is 28.25× 34
It's a double hung window with the marking stamp
11600-17
Could you check the correct balance unit ?
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Tom from SWISCO responded:
June 29, 2022

Hello,

Based on the 11R stamp shown in your photo, we believe that you'll need the 24-11R Andersen sash balance for your repair. Take a look and let us know if you have any other hardware questions. Thank you!
Andersen Sash Balance, 11R, 10SR
Andersen Sash Balance, 11R, 10SR
24-11R
$54.20
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How to replace an Andersen Window Balance
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