Bob from SWISCO responded:
February 25, 2024
Thanks for posting. Sorry to hear the 39-025 didn't work out. See our Return Policy here. Based on the mounting hole pattern on your old operator, I believe the 39-056, 39-084, 39-259 or 39-432 might be what you need. You're also going to need to compare the link arm design of your old operator with these options to determine which matches best. Don't worry about the overall length of the link arm--there's play with these operators so that isn't as important. What matters is their general design and the hole at the end. See the diagrams below for reference. Let me know what you find, or if you have any questions. Dimensions for 39-056
Dimensions for 39-084
Alternate view of 39-084
Dimensions for 39-259
Dimensions for 39-432
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