Windows pull up, won't stay up

A quick learner from Waterford, WI says:
Windows, probably original from 1984 won't stay up
Thumbnail of the uploaded file named IMG_8398.jpeg
Thumbnail of the uploaded file named IMG_8397.jpeg
Thumbnail of the uploaded file named IMG_8396.jpeg
Thumbnail of the uploaded file named IMG_8395.jpeg
Thumbnail of the uploaded file named IMG_8394.jpeg
Profile picture of Casey
Casey from SWISCO responded:

Hello,

I would recommend starting by comparing the specifications of the S350 to your channel balance. You'll also need to confirm the stamp on your metal channel to choose the corresponding strength option. Thank you! 

Close up view of the S350 balance top.
Close up view of the S350 balance top.

Close up view of the S350 balance shoe.
Close up view of the S350 balance shoe.

How to Replace a Non-Tilt Channel Balance
How to Replace a Non-Tilt Channel Balance
VIDEO
WATCH >
How to Repair a Jammed Window
How to Repair a Jammed Window
VIDEO
WATCH >
How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
VIDEO
WATCH >
How to replace a channel balance
How to replace a channel balance
GUIDE
READ >
How to replace a non-tilt channel balance
How to replace a non-tilt channel 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.