balance rod replacement

A home owner from Gibsonia, PA says:
Greetings,
I currently have the rods in the images in my windows - one won't go up, the other won't stay up. The existing rods measure 27 1/2" from top to bottom of blue bushing. Can these be replaced with current models not having a plastic tube covering?

Thanks!
Bob A
Spiral balance
Profile picture of Paul
Paul from SWISCO responded:
If the tube has a diameter of 5/8" or 9/16", then you can use the S600-28 spiral balance. You'll want to consider using a blue tip, like the old balance. Our balances are contained in a metal tube instead of plastic, because metal stands up well to the sun's UV rays.
A home owner from Gibsonia, PA says:
Thank you! Looks like I can use the part you suggested,,, I'll be ordering from you soon - especially since Home Depot is asking twice your price for the items I need and they are available only online!

How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
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How to Identify a Replacement Spiral Balance
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How to adjust a spiral balance on a tilt window
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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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