Top Sash Guide

A quick learner from Murrieta, CA says:

I am in need of ordering new parts for some windows. I have the channel balance, and stamped on it reads "27 3 BSI". it measures 28" long.

I believe the correct channel balance is: 28" Series 380 Channel Balance, Product Code: S380-28.

I cannot locate a similar Top Sash. I have attached a photo of the top sash and a drawing with the best measurements i could get. If needed, I can also send a photo of the top sash in the window.

User submitted a photo of their top sash guide.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, Eric. Your top sash guide is similar to our 18-171. See if you can use it.
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