Hi, I need to replace my Andersen Roto-Operator on 3 awning windows. The arms are about 15" and the existing one looks very similar to product number 39-389; however, I'm almost positive these are the originals, and the house was built around 1961.
I found "8-60" in small print on the glass. This product states it is for windows made after 1981. Any idea if this will work?
If I'm replacing the whole unit, I don't see why it has to be exactly compatible with the window. If it's not compatible, can I return them?
Thanks, Mike
Can the 39-389 work for a window from 1961?

Home Owner from New Jersey
May 21, 2013 9:09 pm
7 Replies

Dave Sr. from SWISCO
May 23, 2013 9:34 am


Hey, Mike. Thanks for posting. I'm not so sure if the 39-389 will work or not, but it could with a little revision. To be more certain, though, could I see a few pictures of your existing operator? That will give us a better idea of what we're working with.

Quick Learner from New Jersey
May 23, 2013 9:52 am
Hi Dave. Thanks for the reply. Attached (I hope) are 5 pictures showing various angles. I understand the trim piece of wood that sits on top of the operator probably wouldn't fit perfectly on top of the newer operator, but perhaps I could buy a replacement trim piece. This doesn't have to be or look perfect; I just want something that allows the windows to crank open and close without too much hassle. Thanks again. Mike


Quick Learner from Nebraska
May 23, 2013 10:34 am
I actually have the same question. Our house was built in the 60's and has original windows. All our windows are Anderson awning operators but they were installed vertically. I've attached files, would these be interchangeable with this series? The measurements seem to be similar.


Dave Sr. from SWISCO
May 24, 2013 8:50 am


Great, thanks for the images, both of you. I think our 39-389 is the closest thing we'll have to this hardware. I think it's a good match, but you might have to recut the bottom of the wood sill cover for it to fit properly.

Quick Learner from NJ
May 24, 2013 9:58 am
Mine is definitely the same one as the Nebraska photos. I don't mind recutting the sill cover. Thanks for the help. I'll give it a try. Mike

Contractor from Chicago, il
Mar 12, 2015 9:55 am
Hi Mike,
I am facing the same situation on a remodeling job. Wanted to follow up and see how the modification to the bottom wood sill cover went to accommodate the new SWISCO 39-389 operator
unit. Any issues with the modification/install?
Regards,
Russ
I am facing the same situation on a remodeling job. Wanted to follow up and see how the modification to the bottom wood sill cover went to accommodate the new SWISCO 39-389 operator
unit. Any issues with the modification/install?
Regards,
Russ
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