Replacement window sash

A contractor from Waterford. NJ says:
I need two side sashs
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. It's hard to be sure, but I think you have the former Capitol prime window. Is that correct? If so, start with our S370-29 channel balance and let me know if this is a good match. Carefully go over the information we have for this part to confirm.
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