Hello,
Both counterbalances for the photographed window are broken and I'd like to get them replaced.
Please let me know if these photos are sufficient for identification.
The plastic tubes are 28 5/8" by 5/8" and the sash weights 10.5 lbs.
The metal pieces that attach the balances to the bottom of the sash are broken, as well.
Thanks,
Bill
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Emily from SWISCO responded:
January 13, 2022
Hi, Bill. Since your tube is 28-5/8" long, I would play it safe and go up to 29". Take a look at our 5/8" diameter S500-29 spiral balance for non-tilt windows and see if this matches what you need. Your bracket is too damaged to identify, however. Can you show us an undamaged version removed from the sash? Thank you! |
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Emily from SWISCO responded:
January 18, 2022
Yes; your sash weight is 10.5 pounds and our red tip option supports a sash weighing 7 to 29 lbs so this will be fine. It's still hard to say from this picture but the 17-012 mounting bracket is often used with the Series 500. Compare our dimensions to an undamaged bracket to see if this matches up. |
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Emily from SWISCO responded:
January 19, 2022
There's detailed dimensions on the 17-012 store page but I will post them down below for your convenience. 
Dimensions for 17-012
Additional dimensions for 17-012
We actually have a blog post on replacing non-tilt spiral balances, which you can see here; this will walk you through the process step-by-step. Let me know if this helps or if you had any other questions |
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Emily from SWISCO responded:
February 3, 2022
You just have feel it out, but you definitely shouldn't go past 4 turns, however. I hope this helps, Bill. Good luck with the repair and let us know if you have any other questions! |
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Emily from SWISCO responded:
February 3, 2022
No problem, Bill! I know how confusing (and often times intimidating) this type of hardware can be! We truly appreciate your business and will be here to help! |
