Series 371 Channel Balances

Series 371 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 an open-top, winged 19-031 top guide and a winged 15-005 bottom fitting called a shoe. The top guide is 7/8 wide from wing tip to wing tip. The shoe is 15/16 wide from wing tip to wing tip and 1 deep.
Series 371 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"
click here for lengths over 34"