Series 190 coil balance

A home owner from Westminster, MD says:
Hi, I'm trying to match a coil balance on your website. PHotos of mine are attached. The coil spring is 1/2 inch wide and has an 8 stamped on it.

It looks like your 190 series but the table for the 190 on your webpage doesnt show the spring weight.
Coil assembly
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Tom from SWISCO responded:
I agree, your pivot shoe looks like our 15-180, which is compatible with the Series 190 coil spring. I see an "8" stamped on your old spring, in which case I'd recommend our S190-840. Each of these can carry 8 pounds, individually.
A home owner from Westminster, MD says:
Do you offer a complete assembly of an S190-840 spring, 15-186 single hole clip, bushing and 15-180 shoe?
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Tom from SWISCO responded:
I'm afraid not. These parts are only available separately. That said, you only need to replace what's broken. If a part on your window is undamaged, there's no reason you can't re-use it.
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