anderson window balance

A quick learner from Wading River NY says:
March 5, 2017
Not sure what model anderson I have. House built in 98...only numbers i see on the balancers I see are:
419
BB39
11600-17 (this is the one I think is correct)

Thanks
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Casey from SWISCO responded:
March 6, 2017
Thank you for posting. Please see our 24-431 Andersen Sash Balance. This can replace balance boxes with the stamp 419.
Andersen Sash Balance, 419, 425, 431
Andersen Sash Balance, 419, 425, 431
24-431
$54.20
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