Series 770 Channel Balances

Series 770 Sideload Channel Balance Sash Support System for tilt windows. Also known as block and tackle balances, these balances have a metal channel that is 9/16 wide and houses a spring and pulley designed to raise and lower the sash. The Series 770 has a 15-043 terminal clip on the bottom and a 19-036 top mounting screw support attached.
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"