Japan 122 Channel balance Stamp

A quick learner from Selden n y says:
Have a 1/2 inch 21 inch balance the stamp on side reads Japan 122 . What potion do I use?
Profile picture of Tom
Tom from SWISCO responded:
I see you were looking at our S700-21 . Is that what Series balance you have? If so, I recommend weighing your sash on a scale and comparing that weight to the list of options on the S700-21 store page. That will let you determine which option is best for you.
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.