Channel Balance replacement

A home owner from Clayton NC says:
Part has markings of "2400 BSI" Don't see any spring number.
Thumbnail of the uploaded file named IMG_20200221_115445850.jpg
Thumbnail of the uploaded file named IMG_20200221_115452908.jpg
Thumbnail of the uploaded file named IMG_20200221_115502939.jpg
Thumbnail of the uploaded file named IMG_20200221_125440620.jpg
Thumbnail of the uploaded file named IMG_20200221_115545719.jpg
Profile picture of Casey
Casey from SWISCO responded:

I believe our S775-24 balance is a good match for you. Take a look and let us know if you agree. Make sure to confirm the length of the balance is 24". I will place a diagram of how both the shoe and balance is measured for clarification. Since your stamping does not correspond with any of ours, you will need to weigh your sash on a scale, measure your shoe, and refer back to the sash weight chart to decide on the most appropriate option. Get back to us should you have any further questions. 

24" Series 775 Balance

How to install a S775 balance
How to install a S775 balance
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 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.