broken spiral tube

A home owner from Kissimmee says:
January 25, 2018
I've narrowed down the part I need to: 28" SERIES 307 SPIRAL BALANCE. But this part comes with a RED tip and the 12 year-old parts I am trying to replace has a WHITE tip. The distance between the two pegs that stick out past the tip is 3/8". Is there another part similar to this, with a white tip instead of red? Or is the red tip 3/8" and suitable to replace what I have?
User submitted photos of a window balance.
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Tom from SWISCO responded:
January 31, 2018
Older balances like yours tend to use an outdated strength rating system. There's a good chance your old White tip is the same as our modern Red tip. I would recommend weighing your sash on a scale to get the exact weight. If it weighs 10 through 22 pounds, then the Red Tip option should work fine.
28" Series 307 Spiral Balance
28" Series 307 Spiral Balance
S307-28
$15.35
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