Coil Balance Quote Request

A quick learner says:
I was looking for the Coil Balancer for my home window. I don't window make, but the parts looks more like yours. Please help me to find this part. I will attach pictures when you reply back to me. Number on the tongue is not clear, I believe it says either 932/902. am not sure the weight, but looks pretty heavy might be around 10 pounds. I have noticed only one spring on each side of window, so total 2.
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Lauren from SWISCO responded:

Hello, thank you for posting,

Your balance assembly resembles the 15-180 pivot shoe that is compatible with the Series 190 coil springs. Based on the stamp, please review the S190-940 coil. This coil alone can supports 9 pounds of weight. With both assemblies together, it can support a 18 pound window sash. We recommend obtaining the exact weight of the window sash to confirm this! 

Please review and let me know if you have any additional questions.

Alternate image for 15-180
Alternate image for 15-180

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