SWISCO - The Replacement Hardware Authority

Need help identifying Anderson window balances

A quick learner from Woodbridge VA says:
I am having a difficult time ordereing replacemt sash balances. Can you help!
Thanks in advance,
User submitted a photo of a window balance.
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Tom from SWISCO responded:
Good morning, Patrick. Looks like you have two different balances. The key stamps here are "12#27" and "10#31." For 12#27, I recommend our 24-1231 Andersen sash balance. For 10#31, I recommend our 24-1033 instead.
A quick learner from Southington, CT says:
I have 2- balances #11600-2. D67 7#27 4 83. They are 6 5/8" long x 3" wide. What replacements should I order?
Thank you, Donna P.
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Donna from SWISCO responded:
Hi Donna! Choose part number 24-737, this can be used to replace Andersen Window balance boxes with stamp 7#27.
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