Tom from SWISCO responded:
June 19, 2017
Thanks for posting. I'm afraid I have no reference to determine if you have the Series 370 or Series 380 balance. I would recommend looking at an undamaged version of your balance, first, either from the same window or from an identical window in the house that still has undamaged hardware. If you still aren't sure, we will need to see pictures of what you have.
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