Dave Sr. from SWISCO responded:
August 15, 2017
I agree, the 39-264 looks similar. Looking at your photos, you might have an older version of this operator and may need to use the 39-362 adapter plate. Check to see if you can identify the age of the window by looking at the etched numbers on the glass. If your window was manufactured between 1995 to 1998, you will definitely need to use the 39-362 to install the new operator.
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