plastic piece at top corners of sash

Question

part is attached to the window, it is being alligned with the channel balance.

Tom · Accepted Answer

Hi there! Looks like you need new top sash guides. Based on your photos, I think you might want either our 18-060 or 18-061. It's a little tough to tell which one you need for sure, so I recommend carefully comparing our photos and dimensions to your own parts to confirm.