casement window crank operation

A home owner from Bethesda, MD says:

We need to replace casement window crank operator but do not know the window brand. Do the crank operator for casement windows are standard in size or differ by window brands. Look look forward to hearing from your office.

thank you in advance.

Pushpa

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Bob from SWISCO responded:

Hi Pushpa. I'm afraid that window operators are largely generic across brands. The best way to know what operator you need is to see your current operator out of the window, with the link arm(s) in full view. From there, we should be able to see what possibly replacements we have. See the video below for removal and replacement details. 

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