This is a Series 161 replacement constant force balance system for tilt windows. It moderates the operation of your window sash using a specifically calibrated coil spring that allows the window to stay open when raised and remain shut when closed.
- This balance comes complete with a metal pivot cam, coil spring, and coil spring cover.
- The spring is stainless steel and coated for low friction and corrosion resistance.
- A pair of 8 lb assemblies will carry 15 to 16.99 lbs, (sold individually). The weight you need should be indicated as a stamp or imprint on your old balance cartridge cover.
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