U15 11/L 7 89 Andersen sash balancer

Question

I'm trying to find a replacement. Here are the markings on the case:

11600-17
U15 11/L 7 89

Hope this helps.

Thank you

Tom · Accepted Answer

It does help, thank you! I think you might want our 24-11L. This is commonly used to replace Andersen balance boxes stamped with "11L."