9#27 sash balance

A handy person from South Dakota says:
My balancers have the following stamped on them

E41 9#27 7-77

My best guess is 1033.

What do you say?


User submitted a photo of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Actually, I recommend our 24-939. This can replace Andersen balance boxes stamped with 9#27.
A handy person from South Dakota says:
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)