andersen sash balance

A quick learner says:
April 27, 2021
is it going to be the same part number for both left and right side of the same window if i want to replace both at one time?
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Casey from SWISCO responded:
April 28, 2021

Hello,

In most cases, the same Andersen sash balance is used on both sides of the window but there are some cases where the stamp codes may be different for various reasons, which is why we recommend removing both balances to confirm the stamp codes needed. If the stamps are different, make sure to take note of which side each balance came from. Thank you!
Andersen Sash Balance, 623, 627, 631, 637
Andersen Sash Balance, 623, 627, 631, 637
24-637
$54.20
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