Replacing old operator

A quick learner from Massapequa, NY says:
Hi there, I need to replace an operator for my bay window. I have attached pictures of the opposite side of the one I need replaced for reference and I believe the 39-172 would be the right fit. Hoping someone can point me in the right direction. Thanks!
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Casey from SWISCO responded:

Hello,

I agree that as long as the specifications shown on our product page match up to your assembly, the 39-172 would be the correct replacement option for the opposite-handed version of the operator shown in your photos. Thanks for posting! 

Connecting a casement window operator to stud bracket
Connecting a casement window operator to stud bracket
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Anatomy of a casement window
Anatomy of a casement window
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