This window was installed approximately 21 years ago (2002) in tract homes built by KB Homes. The balancer is approximately 14 7/8" to 15" long. The sides are approximately 9/16" wide.
Bob from SWISCO responded:
August 12, 2023
Thanks for posting. This channel balance resembles our S350-15. Please compare. For a stamp option choose 1410, in accordance with your old part.