28 4 Caldwell CM

A handy person from Jacksonville says:
Is 28 4 Caldwell CM equivalent to your 2840 option? It is 29 inches long.
Profile picture of Tom
Tom from SWISCO responded:
Yes, usually a stamp of 28 4 corresponds to our 2840 option. I would just weigh your sash to confirm that this is correct.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)