Bob from SWISCO responded:
February 26, 2024
Thanks for posting. This operator could be either the 39-0931 and 39-32, or the 39-155 and 39-156. The difference between these two sets of operators is the length of the link arm. See the diagrams below. Compare both measurements with your old hardware to see what matches best. In either case, for a new cover and handle, see the 39-114L and 39-107 sold separately. Dimensions for 39-031
Dimensions for 39-155
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