need to replace this sash balance

Quick Learner from PA
numbers on the sash balance are D1 7#27 2-84 and 11600-17

Windows installed around 1988....double-hung.

Thank you!
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2 Replies
Tom
Tom from SWISCO
SWISCO
Expert

Hello! I recommend our 24-737 Andersen sash balance. This can replace your balance box with a "7#27" stamp.

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