ID tilt double hung window channel balance

Question

To whom it may concern:

This is a 28" channel balance with marking 28B BS1 or BSI Jl from a replacement window company called Elliot Company.

Thanks in advance for your help!

Sincerely,

Patrick

Emily · Accepted Answer

Hi, Patrick.

Your balance is a match for our S770-28 with the 28B strength option. Look this over and let me know if you have any questions!