coil balance system

A contractor from US says:
I bau11 lb series 140 quick tilt not fitt for window simonton i can move window up two flip top of window tilt block lift up my window i need this part other not works /S140-11/
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Bob from SWISCO responded:

Thanks for writing in. Sorry, but I'm afraid I don't understand exactly what the issue is here; your post is just a little confusing to read. I see you bought the S140-11. Are you saying it didn't work? Please clarify what the issue is, and we'll do our best to help. Many thanks.

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