SWISCO - The Replacement Hardware Authority

Several of my window springs are failing

A home owner from Houston Texas says:
I have several windows of different sizes that are all failing regarding the spiral springs. We use them often. The builder used cheap material so I am thinking about upgrading my springs. They currently have a green tip, non-tilt, 3/8 tube diameter and 28.5 inches long. I did not see any options of that length or where the tip color is chosen during the order process. Any help would be appreciated.

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Paul from SWISCO responded:
Hello! Can you confirm the length of the tube? All things told, it sounds like you have our Series 400 spiral balance, but they aren't made in lengths on the 1/2". If you are certain it is, may I suggest moving up to 29"? That may also work. The S400-29 also has a Green Tip option available.
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