Andersen sash support

A handy person from Philadelphia, PA says:
July 13, 2020
Hello,

I have a C30 6#30. Which support should I purchase?
Is there a cross reference that I can access?
Thanks, John
Profile picture of Tom
Tom from SWISCO responded:
July 15, 2020

Hello! The key stamp here is 6#30, but that's not a number I've ever seen before. Would it be possible to see a picture of it? That may help us determine which Andersen balance would repair your window.
Andersen Sash Balance, 927, 931, 937, 939
Andersen Sash Balance, 927, 931, 937, 939
24-939
$54.20
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