11600-17 823 Anderson narrow line balance

A home owner from North Kingstown RI says:
I am looking for a replacement for Anderson double hung narrow line series balance

1 B431 10 C

Though the last few digits are questionable.

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Tom from SWISCO responded:

Hello! Based on your old stamp of 823, I recommend the 24-837 .  This can replace all Andersen balance boxes with that same stamp.

How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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