Sash balancers

A contractor from Syracuse, ny says:
November 3, 2023
I would like to buy a set if I knew which ones I need.
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Bob from SWISCO responded:
November 3, 2023

Thanks for posting. If this old Andersen balance has the stamp '1131', then see our 24-1133. This can replace old Andersen balances with that same stamp. Let me know if you have further questions. 
Andersen Sash Balance, 1133, 1131
Andersen Sash Balance, 1133, 1131
24-1133
$54.20
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