Jasmine from SWISCO responded:
September 28, 2023
Thanks for reaching out! Your Andersen awning window operator looks like it could be either our 39-389 or 39-390. To determine which of these is the right fit for your window, carefully compare the dimensions below. You'll especially want to confirm the length of the arm. The compatible crank handle for both of these operators is part 39-286. Dimensions for 39-389
Dimensions for 39-390
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