Brosco replacement window

A quick learner says:
Spring on side of window is broke. Window won't stay up
User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting. This looks like a spiral balance, though I'm not sure about the exact Series. I can't make out some of the more important details in your picture. I recommend looking at our Spiral Balance Home Page and following the steps shown in order to find the best match.
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