Join Date: Mar 2007
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When I rebuilt the oval portlights on our previous Dana 24, I found the sash was interchangeable witht he portlight frame. We got our replacement gaskets from the OEM, Whitewater Marine.
Do not forget to adjust the set screws (use a very small allen wrench) in the hinges after replacing the gasket. Otherwise the sash will not seat evenly on the lip of the frame.