Series 770 Channel Balances

This is the SWISCO Series 770 Channel Balance Sash Support System (also known as a block and tackle balance) for tilt-in windows.

These balances have a metal channel that measures 9/16" wide and houses a spring and pulley designed to raise and lower the sash. Comes fully assembled with a 19-036 top mounting screw support and a 15-043 terminal clip on the bottom.
Series 770 Channel Balances
Choose a balance below
12" 13" 14" 15" 16"
17" 18" 19" 20" 21"
22" 23" 24" 25" 26"
27" 28" 29" 30" 31"
32" 33" 34" 35" 36"
37" 38" 39" 40"
click here for lengths over 40"