Casement crank mechanism : SWISCO.com

Quick Learner from Los Angeles, CA

May 21, 2025 1:43 pm

Hello, I'd like to replace this whole mechanism but I'm not sure what brand I would need or where to find that. I got the window from Contractors warehouse if that helps

1 user uploaded image

6 Replies

Emily from SWISCO

May 23, 2025 9:46 am

Hi there!

Thanks for reaching out to us. We're happy to look into this. Can you open the window and show us a clear photos of the arms that move the window sash?

Quick Learner from Los Angeles, CA

May 23, 2025 1:30 pm

Sure thing, here you go! Looking to maybe replace the lock too. Looks like it's all "roto" brand

2 user uploaded images

Emily from SWISCO

May 23, 2025 3:31 pm

Thank you kindly! Hmm, this sort of reminds me of the 39-400 and 39-430. These are Roto brand operators, but I don't know what the end of the arm looks like. Would it be possible to see a photo of that?

As for the lock, take a look at the 38-096 and 38-139. Review the specifications and see if one of them matches up. Note that you want to pay close attention to the projection of the fork.