Anderson Sash Balance

Quick Learner from Massachusetts
Anderson sash balance from double hung window. Numbers on it are 11600B-3, 637 H19 04 08. Unsure what replacement part numbers would be?
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Bob
Bob from SWISCO
SWISCO
Expert

Thanks for posting. See the 26-637. This will replace old Andersen Sash Balances with the '637' stamp. Let us know if you have further questions.

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