Anderson window balance

A quick learner from New Jersey says:
May 15, 2016
I'm looking to replace an Anderson window balance with markings on the tab of BR10 4 89. Size is 6 5/8 inches long including the tab and 3 inches wide. The actual window is 27" by 36". What part do I need. Another window I have is larger, 31 1/2 inches by 36" wide, and has markings on the balancer of 1131 and is the same dimension as described above.
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Paul from SWISCO responded:
May 18, 2016
For the 27" x 36" window, I recommend our 24-1033 Andersen sash balance. For the 31-1/2" x 36" window, see our 24-1133 instead.
Andersen Sash Balance, 1027, 1031, 1033
Andersen Sash Balance, 1027, 1031, 1033
24-1033
$54.20
Andersen Sash Balance, 1133, 1131
Andersen Sash Balance, 1133, 1131
24-1133
$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
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