Searching for Certain Teed Balance spring 408J

A quick learner says:
All pictures look like my parts but the stamp on the spring is 408J
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Bob from SWISCO responded:

It sounds like you're talking about a Certainteed Balance Assembly, which uses Series 170 and Series 171 Coil Balances. A stamp of 408J likely means you need an S170-408 8 pound spring. This spring supports 8 pounds of weight individually. Let me know if you have any other questions. 

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