Block and tackle window balances

A handy person from Kansas says:
December 31, 2021

I would like to replace window balances that are block and tackle. Windows were installed 2002 and otherwise appear in good shape. Vinyl, double hung, tilt out. Balance for upper sash appears same as lower sash. Approximately 6 windows, all same height (60"). I found labels with AAMA certification and work order label but no brand name other than a model 3000DHX4660EI. I couldn't find a manufacturer when googling. No part numbers on balance assembly. It appears that the block and tackle component no longer slides up and down on the fiberglass rod. Profile of the lower part that slides in the window frame track is 1 1/4" by 7/16". Thank you for your help. Charles

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Casey from SWISCO responded:
January 4, 2022

Hello,

Your crossbow style balances are no longer available but take a look at our conversion video below showing how to replace your balances with the S795 and related hardware. Thank you!
A handy person from Kansas says:
January 4, 2022
Thank you. I watched the conversion video and will order accordingly.
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