Trying to identify window and repair parts needed

A handy person from Sebastian Florida says:
Window broken...cannot get the window heavy.Trying to identify repair parts
User submitted photo of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. First, make sure your window locks aren't engaged. That might be preventing you from opening your window. The side latches may also be hanging up on the side of the window frame.

As for the balance itself, I can tell it's a spiral balance, but I'm not sure if you have our Series 600 or Series 900 instead. The Series 600 has a 5/8" diameter tube and the Series 900 has a 3/8" diameter tube. Look them over to see which is closer. We also have a video you may find helpful.
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