Tilt spiral balance

A home owner from Pa says:
March 21, 2021
I need to replace my spiral balances for my tilt windows. Balance is 3/8 width by 29 long,with red tip. My window weighs exactly 26 lbs. Red tips supposedly only supports 22 lbs. Which tip should I use. Scale is accurate.
Thanks
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Tom from SWISCO responded:
March 23, 2021

Sounds like you have an S900-29. If your sash is 26 pounds then you can use the Green Tip option with no problem. You can see on the chart we show on the S900-29 store page that this carries 14 through 26 lbs.
29" Series 900 Spiral Balance
29" Series 900 Spiral Balance
S900-29
$9.15
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
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How to Identify a Replacement Spiral Balance
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