Tom from SWISCO responded:
March 31, 2017
Take a look at our 15-180 pivot shoe. If you also need the coil balance, I recommend the Series 190 spring.
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Tom from SWISCO responded:
April 4, 2017
For a spring stamped "432," I think you could use the S190-440. Each of these springs can carry 4 pounds individually. Since you use four springs altogether, then I'm going to guess that your sash weighs 16 pounds, just about. That'd be perfect for thee S190-440. You may want to confirm just in case.
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