spiral balance replacement

A quick learner says:
August 30, 2020
Need to replace the balance on a non tilt window. The existing balance is 17 inches and 5/8's diameter. Please advise the appropriate replacement. Thank you.
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Thumbnail of the uploaded file named IMG-9282.JPG
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Bob from SWISCO responded:
September 2, 2020

This appears to be a S500-17 to me. Just look it over to confirm. You likely need a Red Tip color option, but you can always obtain the exact weight of your window sash to confirm. 
17" Series 500 Spiral Balance
17" Series 500 Spiral Balance
S500-17
$8.12
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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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