Anderson window balances

A handy person from warrenton, VA says:
Hi, my name is steve. I need to replace several of the Anderson window balances in my windows. I found your you tube video very insightful. I have two different size windows throught my house. After removing the top plastic pieces, I found the following numbers on the existing broken balances:

E 90 9 # 27 80 & D 96 7 # 27 7 79
11600 - 2 11600 - 2

Please help me identify the proper replacement balances. Thanks!

D 96 7 # 27 7 79
11600 - 2
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Paul from SWISCO responded:
For the balance marked 9#27, I recommend our 24-939; and for the balance marked 7#27, I recommend our 24-737.
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