I have KK casement Windows. Two operators are not working (one for a left window and one for a right window). The words on the mechanism sat Entry Gard Truth. 20810.
Tom from SWISCO responded:
May 27, 2020
I recommend looking at our 39-031 and 39-032 to start out. Carefully compare our dimensions to yours to confirm that everything lines up, or let me know if they don't.