replace triple coil

A home owner from fairhope alabama says:
April 27, 2022

This is a triple coil balance on a heavy window, probably 50#; there are no markings on the coil. Which coil should I purchase? I bought a complete replacement from you in the past, so you may have me in your system. The replacement worked, but did not have the complete travel in the window.

Mark 

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Emily from SWISCO responded:
April 29, 2022

Hi, Mark

I see you ordered the S140 in the past but I don't think that's right. Your hardware is actually a match for our 15-253 Inverted Universal Triple Support which uses the Series 160 coil springs. For a new clip, see our 16-032.

If you can obtain the precise sash weight, I can work out what coil weight you need from there. 
Inverted Universal Triple Support
Inverted Universal Triple Support
15-253
$4.77
Mounting Clip
Mounting Clip
16-032
$0.95
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