Unknown Crossbow 850 balance length

A professional from Raleigh ,NC says:
I am a remodeler in Raleigh, NC and have a client that is selling a rental home in which all of the balances have fallen apart. I am unsure hoe to ascertain the proper length for each window since none of the existing balances are intact. Can you help me determine the balance sizes I need using another method?
Thank you in advance,
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Tom from SWISCO responded:
Sure, Greg, I'd be happy to help. Please tell me the width and height of the visible glass for each sash in question and we can recommend a balance length in each instance.
A professional from Raleigh says:
Thank you for your assistance.

The visible glass on the lower sashes of my single hung vinyl windows is as follows( Width x Height):

All current balances have 1" wide black shoes

2 @ 21-13/16" x 35-3/16"
1 @ 32-13/16" x 35-3/16"
1 @ 24-13/16" x 23-3/16"
2 @ 20-13/16" x 17-3/16"
9 @ 32-13/16" x 29-3/16"
1 @ 24-13/16" x 29-3/16"
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Paul from SWISCO responded:
Thank you! I'll list my recommendations one at a time, and in order:

2 @ 21-13/16" x 35-3/16" -- S850-34
1 @ 32-13/16" x 35-3/16" -- S850-34
1 @ 24-13/16" x 23-3/16" -- S850-22
2 @ 20-13/16" x 17-3/16" -- S850-16
9 @ 32-13/16" x 29-3/16" -- S850-28
1 @ 24-13/16" x 29-3/16" -- S850-28

Let me know if you have any other questions!
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