Atrium series 3201 window broken part.

A home owner from Louisville Ky says:
Part broken is white plastic piece in photo with pencil markings.part is connected to tension spring
User submitted a photo of window hardware.
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Tom from SWISCO responded:
I'm not sure what this is, though I know it's a pivot shoe. Could you show us an undamaged version, perhaps from the other side of the window?
A home owner from Louisville Ky says:
Attached photo shows undamaged part on opposite side of window. Part is attached tospring that assists raising window. Hope this helps.
User submitted a photo of a pivot shoe.
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Tom from SWISCO responded:
Huh, that's actually different than I was expecting. I'm somewhat reminded of our Series 140 coil balance system, but I'm not sure. There are a few stylistic differences that make me hesitate to suggest it. The shoe for this balance system is our 15-215, which is 1-1/4" wide and 9/16" deep. I don't know if the 15-215 can work with your old balance cover and springs, though. If it could work, you may want to consider a new Series 140 system altogether.

If you aren't sure that the Series 140 can work at all, or if it's a different size than what you have, then I would like to see a picture of your entire balance system out of the window. I would also need to know the width and thickness.
A home owner from Louisville Ky says:
Spring and shoe assembly
Coil assemly
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Paul from SWISCO responded:
Huh, this is kind of a weird system. The coil springs on your balance system look like our Series 160 spring, which is compatible with our 15-111 pivot shoe. That said, your springs won't work with the 15-215 pivot shoe, which closely resembles what you have in your picture. Plus, your spring housing looks similar to our 15-086, which works with an entirely different system. In other words, your balance is a kind of Frankenstein of coil spring parts. It's got a little bit of everything.

We may still be able to help, but I would like to see a picture of the pivot bar that fits into your pivot shoe. That way we can find a compatible pivot shoe that may work a little better with the spring. Also, can you see any numbers stamped on your springs? That would tell us how strong they are.
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