Identification of a replacement part # for andersen sash counterblance

A landlord from virginia says:
I have several Andersen counterbalances that have failed (and must be replaced)......the attached picture shows one with numbers I can't find on your website.
User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Please see our 24-737 Andersen sash balance. Based on the stamp printed on your balance, this is what I would recommend.
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)