channel balance replacement

A quick learner from columbiana Alabama says:
all of my balances are in horrid shape but its too much to replace all of them can you find and of thees plus new parts to install on the bottom of the windows
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Bob from SWISCO responded:

Thanks for posting. This looks like our S775-28 Tilt Window Channel Balance. Just confirm that your old balance matches the specifications listed on the product page. It looks like you have a stamp option of 28B, so you'll need that along with the size of the bottom shoe to know what stamp option to select. Finally, if you need to replace your pivot shoes and pivot bars as well, we can help you do this, but we will need to see pictures of them removed from the window to know what to recommend. Many thanks.

How to install a S775 balance
How to install a S775 balance
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