Hi,
The circular piece that runs along the corridor on the bottom of the window is frayed and worn. The window will not open and shut like it should, and I believe this is the culprit. I think that I will need to replace this part. Can you help me? My window has the NORCO WINDOWS model description #: D Series Clad Case/Awn JEL-N-330. Attached is the picture. Thank you.
Jerry