Dual coil and shoe

A quick learner says:
The show measurements are 1 1/4" wide, 9/16" deep, and 1 3/8" high. It seems to me the height shouldn't really matter?? The window weighs approximately 17 pounds.
User submitted photos of a coil window balance.
Profile picture of Tom
Tom from SWISCO responded:
Good morning! No, height doesn't matter so much since there should be enough room in the jamb track. As for what you need, see our 15-175 shoe and Series 152 coil spring. I think these match. All you'll need to do is match up the number printed on your current springs to the options we have available for the Series 152.
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