SWISCO - The Replacement Hardware Authority

Replacement casement operator.

A home owner from USA says:
Help matching this operator, thank you !
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! This looks very similar to our 39-220 and 39-221, though that link arm makes me wonder. It has two offsets: first it goes up, then it goes down. It looks like the downward offset is a little deeper though, so I'm thinking the 39-220 and 39-221 would end up matching anyway. What do you think?
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