Dave Sr. from SWISCO responded:
September 27, 2016
Hello! I agree, the awning operator looks like a good match for our 39-348. Just make sure the end detach clips match up with the ones on your operator arm. As for the casement operator, it looks like you have the older square style body. I think our 39-028E should be the one to match your window. The base has a rounder shape, but this is just aesthetic.
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