Channel Balance

Question

Stamp: 29 1 AW CMC 4
steel channel: length 30", width 5/8", depth 9/16"
width of top/bottom nylon wings 15/16"
depth of bottom nylon part 1-1/8"

I think its a Milgard window

Casey · Accepted Answer

Hello,

With this combination of attachments, you could have either an S380-30 or S385-30 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. You'll also need 2910 spring strength options for your replacement balances.

Thank you and let us know if you have any other questions or concerns.

Comparison of the S378, S380 and S385 balance shoes.