All 6 on our 2000 C310 are 3/4”. Forespar Series 93, Marelon. Macerator, Two Sinks, Head intake, Shower/Reefer Drain, and Engine intake. But there’s no guarantee that you’ve got the same size, or they’re in the same locations, or you don’t have more or less...Can someone please let me know what the size(s) of the thru hulls are? Can’t seem to find it in the manual.
Thanks
So they did change sizes along the way. Not surprising.Mine are 3/4: Head sink, A/C, galley sink, raw water intake for head. Macerator and raw water intake are larger, at least 1: