Series 145 Coil Balance

This is the SWISCO Series 145 Coil Spring Balance. Coil balances are also known as a tape balance or a constant force balance. This coil is for side-load sash balance systems used in non-tilt windows.
Before you pick one of the options below, please refer to the stamp or imprint on your original spring. That should tell you what you need. If you're still not sure, or if you have no stamp, you can ask our experts for help here.
Series 145 Coil Balance
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2 lb 3 lb 4 lb 5 lb 6 lb
7 lb