Window Channel Balance

A quick learner from Alhambra, CA says:
Hi. I want to replace 31" channel balance. House build 1920 but I don't know when the windows ere replaced. Marking is 3030V. Thank you.
Thumbnail of the uploaded file named IMG_3820.JPG
Thumbnail of the uploaded file named IMG_3819.JPG
Thumbnail of the uploaded file named IMG_3818.JPG
Thumbnail of the uploaded file named 3030 BSI
Profile picture of Bob
Bob from SWISCO responded:

Thanks for posting. See our S350-31 Channel Balance. You will need a stamp option of 3030. 

How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
VIDEO
WATCH >
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 replace a channel balance
How to replace a 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 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.