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A quick learner from PA says:
Cant remove parts, wont be able to close windows
Thumbnail of the uploaded file named zig zag operator arm
Thumbnail of the uploaded file named operator arm
Thumbnail of the uploaded file named IMG_5193.jpeg
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Emily from SWISCO responded:

Thanks for reaching out to us. Our 39-187 operator comes to mind. Have a look and see if the specifications align with your old assembly.

Did you need the lock as well? If so, we will need to see photos of one removed from the window. I'm afraid we aren't able to identify it when it's installed.

Dimensions for 39-187
Dimensions for 39-187

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