SWISCO - The Replacement Hardware Authority

Need channels

A handy person says:
I am replacing side channels. I need 28 inch metal size + shoe and top. What stamp should I buy? I have a Kauf man and Broad installed installed windows.

The stamp on it shows "27 4 HP Caldwell"

Please let me know.

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Paul from SWISCO responded:
A stamp of "27 4" usually corresponds to our 2740 option, but you can always weigh your sash to be sure.
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