Tom from SWISCO responded:
February 16, 2018
We can help replace this balance, though it will need to be specially made. It would be our S795-33, but with the top screw tab swapped out for our 15-198 hook. Before we go any further, can you tell me how many you need? Your post implied you might have more than one window. Once I know that, I'll email you a special balance order link and price quote.
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