Casey from SWISCO responded:
April 12, 2023
Hello, Replacing the 39-175 operator may help as long as the original operator is the only broken part and the specifications below match up to yours. You may also want to check the hinges that support the top and bottom of the window sash, which could also cause this type of problem. Thank you! Dimensions for 39-175
View of the arm of the 39-175 window operator.
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