To order replacement parts and accessories for a window or door, you first need to know its size. You can find the size by measuring the visible glass (part of the glass that you can see and touch). If you can't find your measurement in the size chart or need to narrow down your options, contact an Andersen expert for assistance.

Window Sash

400 series casement sash manufactured after December of 2012 are not notched for PVC interior removable grilles.  After selecting size, be sure to select sash with notches if needed.
Find your replacement sash by selecting your window sash visible glass width and height in the grid below.
Do you know the window unit number?