Andersen Sash Balance 9#27
A handy person from West Virginia says:
November 28, 2012
Need to replace the Andersen Sash Balance 11600-2 Part # is E71 9#27 3-79 is what is stamped on the case.
Tom from SWISCO responded:
November 29, 2012
Good morning, and thank you for posting in our Discussion Board. I would recommend that you take a look at our 24-939 Andersen Sash Balance. This is meant to replace balance boxes with the stamp 9#27.