Dave Sr. from SWISCO responded:
March 28, 2017
I'm not sure what to recommend. Is there any way we can see the operator out of the window? I'd especially like to see the link and gear arms, and the installation hole pattern. In the meantime, there are two operators that come to mind: our 39-061 and the newer Silverline 39-025. Look to see if either of these are the operators you are looking for.
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