need to replace my broken window coil balance spring

A home owner from San Diego, CA says:
Dear customer support,
I have a broken window coil balance spring (see attached images) and I need to replace it. My window weighs about 22 lbs. Do you know what size of coil spring I need for my window?
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hello! Check out our S140-8. I believe this might be what you need.
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