Window sash balance weight

A quick learner says:
June 14, 2023
I don't see a 3 digit number to mach replacements I see online. Is this a 27 lbs balancer?
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Lauren from SWISCO responded:
June 14, 2023

Hello, thank you for posting,

Please review the 24-1231 Andersen Sash balance as a replacement for balance boxes stamped with the number 12#27. Let us know if you have any additional quesitons! 
Andersen Sash Balance, 1226, 1227, 1231
Andersen Sash Balance, 1226, 1227, 1231
24-1231
$54.20
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