Plastic guide on top corner of window pane.

A handy person from Florida says:
Double hung window has no mfg. markings or stamps. The balance rods are marked Caldwell. Length is one and a half inches and one half inch wide
User submitted photos of a top sash guide.
Profile picture of Paul
Paul from SWISCO responded:
This looks a lot like our 18-166. Carefully compare the dimensions we show to your own hardware and let me know if you have any questions.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)