SWISCO - The Replacement Hardware Authority

Anderson Sash Balance

A quick learner from Annapolis MD says:
I can't figure out what I need: Here are the part numbers posted on the existing sash balance: 11600-17 and E56 9#31 5-87
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Tom from SWISCO responded:
I recommend our 24-939. This can replace Andersen balance boxes with a stamp of 9#31.
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