Series 850 Block and Tackle Rod Balance

Series 850 Block and Tackle Rod Balance Sash Support System for tilt-in sash windows. Using a spring and pulley to raise and lower the sash, the Series 850 has a t-shaped bottom fitting, known as a shoe, that is color-coded, signifying the spring strength. It comes in 1 or 1-1/4 widths indicating the width of the jamb pocket. It has an attached 19-043 screw-in clip. The Series 850 is used by Barrier as well as other window manufacturers.
Series 850 Block and Tackle Rod Balance
Choose a balance below
10.5" 12.5" 14.5" 16.5" 18.5"
20.5" 22.5" 24.5" 26.5" 28.5"
30.5" 32.5" 34.5" 36.5" 38.5"
40.5"