Certainteed Double Hung Windows ~ Coiled Balance Spring Replacement

A quick learner from New York says:
August 4, 2018
Trying to figure out which series # will be the proper replacement for broken coiled balance springs for my windows. Springs on both sides have snapped. The pivot shoe # reads A186160 if that helps.
Can you please help me ~ thank you!
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Paul from SWISCO responded:
August 9, 2018

We appreciate you contacting us with your hardware needs. Starting with your pivot shoe, see if our 15-192 is a good match. These are used with the Series 170 coil springs. See if you should have any stamped numbers on your spring. If so, get back to us with that information. If not, let us know the weight of your window sash and we will go from there.
409 Series 170 Coiled Balance Spring
409 Series 170 Coiled Balance Spring
S170-409
$6.57
CertainTeed Lance Spring Cover, Wide
CertainTeed Lance Spring Cover, Wide
15-156
$1.97
CertainTeed Balance Drum
CertainTeed Balance Drum
15-157
$1.70
CertainTeed Pivot Shoe
CertainTeed Pivot Shoe
15-192
$6.39
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SWISCO S170 and S171 Coil Balance Assembly
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