Window coil balance

Home Owner from Miamisburg
I have simonton tilt in double hung windows. When I bought the house most of the windows had broken coil balance springs. The only part number I found on the spring was 801020. The window model is in the picture. How do I figure out what size balance spring I need.
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Tom
Tom from SWISCO
SWISCO
Expert

Can you please send us pictures of the coil removed from the window, along with the pivot housing?

This will allow our parts experts to better recommend replacement options

Home Owner from Miamisburg
The spring is 3/8" and break is 1/2 x1 1/4"x 1 1/2"
4 user uploaded images
Tom
Tom from SWISCO
SWISCO
Expert

Take a look at our Series 160 coil balance, 3lb option, along with the 15-199 housing lock

If you have any further questions, please let us know.

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