twin balances

Professional from 21811
these are from a older window and the manufacturer is. They are attached together on each side. No markings except patent#. they are 1" wide 1 1\4 length at the receiver end the spring is 12 1\2 long spring and approximately 25" total length.
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Bob
Bob from SWISCO
SWISCO
Expert

Hello there. These old rod balances aren't made anymore, but you can replace it with our Series 770 Channel Balance. If the rod is 25" long, use the S770-25. You'll need to obtain the exact weight of the window sash to determine the stamp option needed. let me know if you have further questions.

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