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.

Profile picture of Paul
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.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)