Window channel balance

A quick learner from Nashville,TN says:
August 12, 2021
The is only one marking on the channel balance.

28B

The balance screws to the frame at the top with one screw and has no other attachment to the frame.

It has the shoe pictured above with sits sideways in the track to cradle the window.
Thumbnail of the uploaded file named image.jpg
Thumbnail of the uploaded file named image.jpg
Profile picture of Casey
Casey from SWISCO responded:
August 17, 2021

Hello,

Take a look and compare the S775-28 channel balance to yours and measure the width of an undamaged shoe to choose the correct option. Thanks for posting! 
28" Series 775 Balance
28" Series 775 Balance
S775-28
$21.91
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 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.