Certainteed coil springs

A quick learner from USA says:
I have an old certainteed double hung window and need two coil springs.
removed one side # on spring is 336 J
Do you supply this item and what weight is this? and price if so.
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Tom from SWISCO responded:
Check out our S170-336 and see if this can possibly work for you, especially if your shoe matches our 15-192. Pricing for all of our parts can be found on their respective pages.
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