triple coil spring for double hung tilt window

A home owner from Littleton CO says:
this part is numbered
patent # 5.232.208 - 5.365.638 - 6.584.644 B2
part # 801030
User submitted photos of a coil balance.
Profile picture of Tom
Tom from SWISCO responded:
Good morning! Take a look at our 15-191. This resembles your shoe very closely. Do you agree? If so, you will also want to see our Series 160 coil spring. You may be able to re-use your support bracket, but if you wish to replace that, as well, then see our 15-150T.
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