Anderson balance

A quick learner from berwyn, pa says:
May 16, 2023
Hello:

I need to replace two pairs of anderson balances, please help me to confirm what types of balance I need to buy? Is there any difference for the balance to install on the left side and on the right side?

Thanks
Colin
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Paul from SWISCO responded:
May 17, 2023

Hello,

Your first photo shows 725 stamped on the metal casing, so you would need the 24-737 Andersen sash balances to replace them.

The second assembly shows a 1031 stamp, which would require the 24-1033 balances. Take a look and thanks for posting.
Andersen Sash Balance, 725, 727, 731, 737
Andersen Sash Balance, 725, 727, 731, 737
24-737
$54.20
Andersen Sash Balance, 1027, 1031, 1033
Andersen Sash Balance, 1027, 1031, 1033
24-1033
$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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