anderson sash balancer - replacement

A contractor from Wilmington DE says:
Need to replace sash balancer fo this Anderson window

there are three numbers etched on housing: 1600-17, 823,2-89
Thumbnail of the uploaded file named webcam-4/20/2020, 8:18:13 AM.png
Profile picture of Bob
Bob from SWISCO responded:

If one of the stamps says 823, then see our 24-837 . This is meant to replace Andersen balances that include the stamp 823. 

Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 4-7 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.