included is photo of original and broken sash cam. I have side load block & tackle balance stamped with 29 4 xp BSI. Will be looking to replace a couple of these if I came match them thanks
Paul from SWISCO responded:
October 26, 2017
Hello! The top sash guide on your window looks similar to our 18-166. Do you think it's the same? If you have any more of these same windows, those windows would use the same sash guide.