Broken springs

A home owner from Wiscasset says:
Hi, Looking for replacement springs on my kohler window.. they are double hung with tilt.
Coil assembly
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Tom from SWISCO responded:
Hey there, thanks for your question. Your pivot shoe looks like our 15-175. Your coil springs look like our Series 152. You will need the number off the old spring to confirm the best Series 152 weight option. Let us know what you think.
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