Coil springs for vinyl single hung windows

A quick learner from California says:
September 29, 2020
Need to find these coil springs. They're for a vinyl single hung window
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Tom from SWISCO responded:
October 5, 2020

Sure! That looks like our 15-103 quad carrier, which is designed to use the Series 145 coil spring. Look these two products over and let me know if you have any questions.
A quick learner from California says:
October 5, 2020
The 15-103 quad carrier looks like a good match. The coil spring however I'm not sure on the pounds for the coil spring.
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Tom from SWISCO responded:
October 5, 2020

There should be a stamp printed on your old springs that tells you which one to go with.
Quad Side Load Carrier
Quad Side Load Carrier
15-103
$2.70
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