Window Balance 27 C BSI

Question

I looked up this part on your site. The model on the metal channel is 27 C BSI. Please help me identify which one I need. Thanks so much.

User submitted photos of a window balance.

Tom · Accepted Answer

Depending on the measurements of your balance shoe will determine whether you will go with our S390-28 or S351-28 channel balance. Get back to us and let us know how you made out with this.