sash counter balance E50 9#31 2 83

A quick learner says:
dear sirs,
i have a broken sash counter balance that needs replaced. the anderson window # is 2860TD. the # on the counter balance is E50 9#31 2 83. if you can cross reference this to your company i would like to purchase a couple.

thank you
david p.
User submitted photo of their Andersen sash balance box.
Profile picture of Paul
Paul from SWISCO responded:
The replacement balance you need is the Andersen 24-939 balance box.
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