Casey from SWISCO responded:
April 8, 2024
Hello, I can't be sure with your coil balance assembly still installed but what I can make out resembles the S210-03 or S161-03. The determining factor will be how the dimensions below compare to yours. Take a look and see how the specifications compare to your assembly once it's removed from the window jamb. We'll relate a few videos on this page to help you through the process. Thank you! Alternate image for S210-03
Alternate image for S161-03
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Casey from SWISCO responded:
April 17, 2024
The number stamped on your coil housing appears to be an 8. I would recommend starting by removing your coil balance hardware from the window to compare to the S161-08 shown below. Thank you! Alternate image for S161-08
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