Unmarked Spiral Balances

A handy person from Plainfield, NJ says:
I need four 13" balances for two non-tilt sashes weighing 5 lbs. apiece.

Thanks,

Mark
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Tom from SWISCO responded:
Thanks for posting, Mark! Before I can recommend an applicable replacement balance for you, I just need to know a bit more information.

What is the diameter of the spiral balance tube? Also, is your window tilt, or non-tilt?

Let me know as soon as you can!
A quick learner from Plainfield says:
I posted a follow-up to this and can't find it now. I have 5lb sashes, non-tilt sashes with 13", 5/8 balances. They have no color code so I don't know which one to buy

Thanks, Mark..
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Tom from SWISCO responded:
Thanks for getting back to us! Take a look through our selection of 5/8" Diameter Spiral Balances for Non-Tilt Windows and see which of those we offer best matches your existing system. Let me know what you decide, and we can work from there.
A handy person from Plainfield says:
I know I need a 5/8", 13" balance, but I don't know what color. Mine aren't marked and my sashes weigh 5 lbs. apiece.

Mark
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Tom from SWISCO responded:
You may want to look at our S500-13 spiral balance. Does this look like it matches your sample? It comes with a red tip standard, which can support a window sash weight range off 6 through 18 pounds. I think this should support your sash, as well, but I think you should double check its weight to see if it may not be closer to 6 pounds.
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
VIDEO
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How to choose the proper spiral balance tip color
How to choose the proper spiral balance tip color
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How to adjust a spiral balance on a non-tilt window
How to adjust a spiral balance on a non-tilt window
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