found no markings on windows or part

A home owner from atlanta ga says:
window wont stay up. entire balance shoe and spring missing from left side of window. dims are approx. 1.25" wide and 9/16" thick.
User submitted a photo of a window balance.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Looking at your photo, it appears that you could have something like our Series 190 coil balance. Your other parts could be our 15-180, 15-186, and 15-182. Take a look and compare them to yours to know for sure.
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)