SWISCO - The Replacement Hardware Authority

sash counter balance

A landlord from Millville, NJ says:
11600-3 and 11600-17 Also C23 6/23 1985 no other numbers other than patent number which is 335455 & 1967 CAN

lower sash unobstructed glass is 24" 1/2 wide 20" height.

can't figure which replacement (737 maybe?) or 531?

Thanks
Paul
A customer submitted photo of channel sash counter balance.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, Paul.

Please take a look at our 24-637 Anderson Sash Balance and see how it compares to your own product.
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