balance box part number for replacement?

A quick learner from Norwich, VT says:

Hello - I need 4 replacement balance boxes but am unsure which number to order.

It reads: "D9 7#31 3 80"

And there is another number elsewhere: "11600-2"

Thank you!

Dana  

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Bob from SWISCO responded:

Hey Dana. Check out our 24-737. This is meant to replace old Andersen sash balances that include the code 731, or 7#31. Let me know if you have further questions. 

A quick learner from Norwich, VT says:
Thank you so much! This is a fantastic service you provide.
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Bob from SWISCO responded:

You're very welcome! And thank you, we certainly try to do what we can. Best of luck with the rest of the project!

How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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