SWISCO - The Replacement Hardware Authority

Series 380 Channel Balances

Series 380 Sideload Channel Balance Sash Support System for non-tilt windows (also known as a block and tackle balance). The metal channel’s width is 9/16”, which is considered 1/2" in the trade. The channel houses a spring and pulley system to raise and lower the sash. The Series 377 comes fully assembled, with a winged 19-005 top guide and a 15-005 winged bottom fitting, called a shoe. The 15-005 shoe is 1” deep and 15/16” wide from wing tip to wing tip.

The series 380 closely resembles the series 385 channel balance. The difference lies in the depth of the shoe. The series 385 balance has 15-004 shoe, which is 1-3/32" deep.
Series 380 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"