SWISCO - The Replacement Hardware Authority

Can you please help me find the right coil balance?

A quick learner from Mt. Washington, KY says:
My coil balance has broken and I got everything off of the window and sash and hear it all is. Can you identify which part I need? T
User submitted photo of their window hardware.
he coils are 3/8" wide.
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Paul from SWISCO responded:
Thanks for posting. Please see our 15-199 shoe, 15-204 housing, and Series 165 coil spring. You will need to match the numbers printed on the end of the spring to determine the proper Series 165 option.
A home owner says:
I have looked at every piece of the broken spring (inside and outside) and I have not seen any numbers located on it. Can you please advise?

Thank you
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Tom from SWISCO responded:
In that case, tell me exactly how many springs are used for one sash, then tell me the weight of the sash. That will allow me to determine the right option.
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