Replacement window spring

A handy person from Buffalo, NY says:
April 13, 2024
I do not know the make and model of my replacement windows. I need 1 replacement spring.
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Lauren from SWISCO responded:
April 16, 2024

Hello, thank you for posting,

Please review the style and dimensions of the 15-177 pivot shoe that is compatible with the Series 152 coil springs. 

Alternate image for 15-177
Alternate image for 15-177

The coil springs should be stamped with a number on the metal that indicates the weighted option needed. If there are no markings, please provide the weight of the sash to move forward.

For a new coil support, see the 15-143 bushing, 15-144 bushing cap and 15-145 support barrel. Let us know if you have any additional questions! 
Coil Balance Shoe, Slate Blue
Coil Balance Shoe, Slate Blue
15-177
$3.47
Coil Bushing
Coil Bushing
15-143
$0.97
Coil Bushing Cap
Coil Bushing Cap
15-144
$0.70
Coil Support Barrel
Coil Support Barrel
15-145
$0.49
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