spring sash replacement

A contractor from bayville says:
September 21, 2017
1600-17
E60 9#27 8 83

just need to order the right spring sash replacement above are the numbers from old.
A contractor from bayville says:
September 21, 2017
windows 32-7/16 x 23-15/16
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Tom from SWISCO responded:
September 22, 2017
Andersen 9#27 balance boxes can be replaced with our 24-939 Andersen sash balance.
Andersen Sash Balance, 927, 931, 937, 939
Andersen Sash Balance, 927, 931, 937, 939
24-939
$54.20
How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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Andersen's Narroline Sash Balances
Andersen's Narroline Sash Balances
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