Due to virus issues, I am assuming that our club's clubhouse will be closed this year. Which also means bathroom access problems.
So while the Porta Potti MSD idea was vetoed last spring, in spite of the my suggestions, it looks like I now have another project to do.
In my search i found there is another company that now makes a porta potti MSD.
UPC 2-section Portable Flush Toilet Strong, durable construction 90 degree rotating pump-out fitting Bi-directional piston pump rinse Leak and odour proof seal 10L / 2.6 Gal. fresh water tank 18L / 4.8 Gal. holding tank Waste level indicator Large fresh water capacity Measures 42cm H...
dockedge.com
(The link above is the manufacturer so you will have to a find a retailer like the SBO store if you want one)
Specs show that the 5 gallon version is 16.3" high so the v-berth panel on a C22 won't fit without possible modification.
In our case we leave our v-berth cushions at home so not an issue.
Unit has a serviceable pump and and tank level window etc.