Channel Balance replacement

A home owner from Clayton NC says:
February 21, 2020
Part has markings of "2400 BSI" Don't see any spring number.
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Casey from SWISCO responded:
February 24, 2020

I believe our S775-24 balance is a good match for you. Take a look and let us know if you agree. Make sure to confirm the length of the balance is 24". I will place a diagram of how both the shoe and balance is measured for clarification. Since your stamping does not correspond with any of ours, you will need to weigh your sash on a scale, measure your shoe, and refer back to the sash weight chart to decide on the most appropriate option. Get back to us should you have any further questions. 

Close up view of the bottom of the Series 775 sash support balance.
Close up view of the bottom of the Series 775 sash support balance.
24" Series 775 Balance
24" Series 775 Balance
S775-24
$21.59
How to install a S775 balance
How to install a S775 balance
GUIDE
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