Series 370 Channel Balances

Series 370 Sideload Channel Balance Sash Support System (also known as a block and tackle balance) for non-tilt windows featuring a metal channel measuring 9/16 wide, but considered in the trade. A spring and pulley are housed inside the channel. The series 370 comes fully assembled with a winged 19-004 top guide and a non-winged 15-002 bottom fitting called a shoe. The top guide is 7/8 wide from wing tip to wing tip. The shoe is 1 deep.
Series 370 Channel Balances
Choose a balance below
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"
click here for lengths over 39"