Replacement balance for Anderson double hung window

A home owner from Carneys Point NJ says:
I need to purchase two replacement balances.
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Casey from SWISCO responded:

Hello,

The 6 23 stamp on your balance indicates that our 24-637 Andersen sash balance should be the replacement that you're looking for. Take a look and let us know if you need anything else!

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How to replace an Andersen Window Balance
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