Anderson Sash Balance

Handy Person from Near Pittsburgh,PA
I have two sash balances that I would like to replace on an anderson narrow line window.

They both have the numbers 11600-17 and BF9 10#31 3-87 on them, Can you tell me the current replacement part number?

Many thanks.
2 Replies
Tom
Tom from SWISCO
SWISCO
Expert
Thanks for posting. Please see our 24-1033 Andersen Sash Balance, which can be used to replace balance boxes with the stamp 10#31.
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