Coil Balance Spring

A quick learner from Hawaii says:
I am looking to replace the coil for my window. I have attached a photo of the stamp. Is that the same as your S170-408 Series?

Thank you in advance
Thumbnail of the uploaded file named IMG_9279.jpg
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Bob from SWISCO responded:

Hey Mark. I agree, this appears to be our S170-408 along with the 15-192 shoe. The video below explains more.

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