The channel balancer has a stamp with the number 2740 on it.
It is 28 inches long
Channel Balancer
Quick Learner
Aug 18, 2025 12:15 pm
5 user uploaded images
2 Replies
Jasmine from SWISCO
Aug 19, 2025 11:01 am
Thanks for reaching out! This window balance is a match for the S350-28 Channel Balance. Like yours it is assembled with a wingless top guide and winged bottom shoe.
Our 2740 stamp will support a sash weighing 19 to 26lbs.
Comparison of the S378, S380 and S385 balance shoes.
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