22 inch Window Balance

Hello, thank you for posting,

With this combination of attachments, you could have either an S380 or S385 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. 

When measuring the length, only measure the metal channel excluding the nylon attachments. The metal channel should be stamped with a number that indicates the spring of the strength needed to support the window sash. Please compare to choose the correct stamp option. If there are no markings present, you will need to weigh the window sash and compare to the strength chart on the product page.

Let us know if you have any additional questions! 

Comparison of the S378, S380 and S385 balance shoes.