coil balancer parts

A home owner from scotch plains, NJ 07076 says:
September 4, 2023
Greetings,
I need to replace two constant force spring coil balancer assemblies for a sash window.
I do not know the window manufacturer or part number

the coil balancer assembly emboss Patent #6,378,169.
It has an ink stamp "8R"

I would like to buy 6 of them. Hope a quick response. thank you
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Casey from SWISCO responded:
September 6, 2023

Hello,

Your coil balance resembles the S140-8. Take a look and compare the dimensions below to your assembly. Thanks for posting! 

Alternate image for S140-8
Alternate image for S140-8
8 lb Series 140 Quick-Tilt, Single
8 lb Series 140 Quick-Tilt, Single
S140-08
$8.28
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