Andersen Double Hung window from 1971

A handy person from Harbor Springs Michigan says:
Andersen Double Hung window from 1971
Thumbnail of the uploaded file named Balancer 2.jpg
Thumbnail of the uploaded file named 9 27 Andersen Corp
Profile picture of Jasmine
Jasmine from SWISCO responded:

Thanks for writing in! You Andersen Sash balance appears to be our 24-939 Andersen Sash Balance. These are made to replace balances stamped with a 927, 931, 937, or 939. They are not designated for any particular side of the window.

How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
VIDEO
WATCH >
Andersen's Narroline Sash Balances
Andersen's Narroline Sash Balances
GUIDE
READ >
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 3-4 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.