Tom from SWISCO responded:
August 16, 2017
Hi David. It looks like you will need a top sash guide. We will need to see a photo of it out, from an angle that shows its side and then an angle that shows its front as well. Dimensions will also be a bonus. I recommend you reviewing the video I have listed below to give you an idea on how these work for you.
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Paul from SWISCO responded:
August 24, 2017
Yes, the Kinco 18-166 top sash guide looks right!
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