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Dave Sr. from SWISCO responded:
May 9, 2022
These operators are no longer available, unfortunately. The only related part we still carry is the mounting bracket, our 39-248. I've personally used the 39-365 and the 39-366 operators with the 39-504 under mount track. You'll need to do some adapting in order for these to fit the window. You'll also need to remove the existing operator and any type of sash bracket the operator used. I believe I had to make the operator opening 1/8" wider and taller to accommodate the new operator. Then, I installed the 39-504 track under the sash. It was a little tricky, but not impossible. Take a look at the related parts and videos on this page to see what you think. I also suggest checking your hinge set to see if its worn; you might want to replace it with the 36-048 hinge set. Just make sure the dimensions match up to yours and to replace the top and bottom hinges at the same time. |
