Window balance replacement parts

A home owner from Ft washington pa says:
October 9, 2016
I need 2 window balances the numbers are j37 5#23and e49 9#27. I need to know what replacement parts to order.
A home owner from Ft washington pa says:
October 9, 2016
I need 2 balancers j37 5#23 and e49 9#27 are the numbers on the back.i need the replacement parts numbers.
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Paul from SWISCO responded:
October 11, 2016
Hello! Based on your stamps of "5#23" and "9#27," I recommend our 24-531 and 24-939, respectively.
Andersen Sash Balance, 927, 931, 937, 939
Andersen Sash Balance, 927, 931, 937, 939
24-939
$54.20
Andersen Sash Balance, 519, 523, 525, 527, 531
Andersen Sash Balance, 519, 523, 525, 527, 531
24-531
$54.20
How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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