Replacement Window coil balance

Home Owner from New York
Hello,
My window coil balance has broken in two. I was wondering what I would need to purchase to fix this issue. Thank you very much.
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4 Replies
Tom
Tom from SWISCO
SWISCO
Expert

Hello! That white nylon clip in your first photo looks like a match for our 15-186. With that in mind, I believe you want our Series 190 coil spring. You'll need the stamp off the old spring to confirm the best option for this balance.

Some other parts you may be interested in are the 15-180 pivot shoe and 15-182 bushing.

If none of these parts match what you have, let me know and we can work on something else for you.

Home Owner from New York
Thank you for the links. It does seem to be the series 190 coil balance. However, mine says 632 on the coil. Do I purchase the 640 one?
Tom
Tom from SWISCO
SWISCO
Expert

Yep, that's perfectly fine. The first digit, "6," represents how much weight this spring can support. In your case, 6 pounds.

The second two digits represent the travel of the coil, or basically how far it can extend. Yours extends 32" and ours extends 40". Most coil balance manufacturers made their springs with a 32" extension at one time, but several years ago they all swapped over to 40". I don't know why, to be honest, I guess they thought it works better. What I can tell you is that you probably won't notice the difference.

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