Window balance dual spring & pivot bars

Quick Learner from Chicago, IL
The window weighs 28 lbs.
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Casey
Casey from SWISCO
SWISCO
Expert

Hello,

Take a look and compare our S161-07 coil assembly and 26-398 pivot bar to your hardware. I see that your balance has an 8-pound spring in addition to the 7-pound spring, which would support a 30-pound window sash. For a 28-pound sash, using two 7 pound springs on each side would provide the best support for your window. Thank you!

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