SWISCO - The Replacement Hardware Authority

26 4 DW CMC 11 replacement

A home owner from California says:
Need a replacement for 26 4 DW CMC 11?
The length is 27".
I think it's a S385-27, but don't know the weight?
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Usually a stamp of 26 4 corresponds to our 2640 option, but you should weigh your sash and compare it to the weight rating shown for the 2640 just to be sure they match.
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