Help identifying balance

Question

This is a balance for a bathroom window, it has the numbers 15 2 BSI ng
we need 4 of them
the metal part length is 16"
the width is 1/2 inch
Thank you

Casey · Accepted Answer

Hello,

With this combination of attachments, you could have either the S380-16 or S385-16 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 1520 spring strength options for your replacement balances based on your stamp code. Thank you, and let us know if you have any other questions or concerns.

Comparison of the S378, S380 and S385 balance shoes.