SWISCO - The Replacement Hardware Authority

andersen balance 9#31

A quick learner from Harrington Park NJ says:
I'm trying to find out the replacement part # for sash balances from my Andersen windows. E6 9#31 3 81 is stamped. And other windows is 11600-17. Any help in identifying which sash balances I need would be much appreciated. Thanks.
User submitted photos of an Andersen window balance.
Profile picture of Paul
Paul from SWISCO responded:
Check out our 24-939. This can be used to replace balance boxes with the stamp 9#31.
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