coil springs and weatherstripping

A quick learner from Ontario says:
some coil springs have broken and wish to replace
window is double pain made by jeld wenn
each window weighs about 25 lbs

bottom coil stamped F top stamped 2Ls?
1/2 in spring
also bottom weatherstrip very thin flexible needs replacement on a few windows
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
For your pivot shoe, see our 15-175 and for the coil springs, see our S152-6. I'm not sure about the weatherseal, though. Can you show us a picture of it from the end?
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