old windows

A home owner from north Port Fl. says:
May 14, 2023
my house was built in the early 60s in Florida. This is all that bis left of the sashes, they are non-tilt windows, I have two, and all balances are in bad shape. any help would be great.
Thumbnail of the uploaded file named sash.jpg
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Emily from SWISCO responded:
May 16, 2023

Hi there!

Thank you for reaching out to us. Can you show us a photo of how this balance connects to the sash at the bottom corners? 

I'm thinking our Series 500 spiral balance and 17-012 bracket may be the way to go. We've used this setup on old wood windows and find it to be a reliable and straight-forward solution but I'd like to see photos first just to be safe. 
A home owner from north Port Fl. says:
May 19, 2023
I should have specified, these are old metal windows. I want to say early 60s
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Paul from SWISCO responded:
May 22, 2023

Thanks for clarifying. I believe you have a very old Air Control window. The bottom nylon sash clips are the 17-014 and 17-015. The balance system will be Series 300 with either the 15-011 nylon shoe or the 15-020 nylon shoe. In order for us to determine the best match, can you remove an undamaged shoe and show us some photos? 
Bottom Sash Clip, Left Hand
Bottom Sash Clip, Left Hand
17-014
$1.15
Bottom Sash Clip, Right Hand
Bottom Sash Clip, Right Hand
17-015
$1.15
24" Series 300 Spiral Balance
24" Series 300 Spiral Balance
S300-24
$14.15
Spiral Balance Shoe
Spiral Balance Shoe
15-011
$1.33
Spiral Balance Shoe
Spiral Balance Shoe
15-020
$1.47
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
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How to choose the proper spiral balance tip color
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How to adjust a spiral balance on a non-tilt window
How to adjust a spiral balance on a non-tilt window
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