Coil balance parts needed

A quick learner from Detroit, MI says:
November 30, 2020

Hi,

I have metal clad single hanged wood windows manufactured by Kelly Windows in Detroit, MI.

Size: 33'X 99"

The coil balance in several of them has shattered and need to be replaced.

I have attached 3 photographs from a currently working coil balance installed in one of the windows.

I am not sure which one to order. Could you please advise on which is the proper part to get.

I could not see any marking indicating weight capacity of the current coils.

Thank you

Romain 

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Casey from SWISCO responded:
December 2, 2020

Hello,

Take a look at our 15-087 housing pivot, which holds the Series 180 Roller-Tilt coil springs. Compare these parts, as well as the related items, to your hardware to confirm. Thank you!
Coil Housing Pivot
Coil Housing Pivot
15-087
$5.97
Tandem Coil Housing
Tandem Coil Housing
15-086
$1.68
Mounting Bracket
Mounting Bracket
16-024
$0.66
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