Andersen Window Sash Balancer

Home Owner from Altoona, PA
Have trouble identifying replacement part number for and Andersen window sash balancer.

Both balancers are stamped "C28 6R23 976".
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2 Replies
Paul
Paul from SWISCO
SWISCO
Expert

Thank you for your correspondence. See our 24-637. This will replace Andersen balances stamped 623, or 6r23. 

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