1990 Anderson Window Sash Balance

Quick Learner from New Jersey
Looking to identify the correct replacement for this sash balance. The numbers on the balance read:
Top: 11600-17Bottom: U1 10#31 6-87
 
Windows are about 20lbs if that matters. 
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2 Replies
Bob
Bob from SWISCO
SWISCO
Expert

Thanks for posting. See the 24-1033. This can replace Andersen Balances with the stamp 10#31, or 1031. 

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