Vacuflush toilet, head. toilets
Well, you''ve reminded me of this, so I have to tell you. Years ago, I was hired to take a 64'' ketch to Hong Kong from Manila and put it up for sale. It had four of those sealed-down seat type heads discharging into two treatment plants, which were emptied overboard by Whale Gusher hand pumps, one on each side. We sailed with 20-30 people twice each weekend from the RHKYC (sales promo, you know) and the heads drew a lot of comment. What I didn''t notice is that someone posted neatly lettered signs on each side near the pump ports saying, "Stay clear - high pressure waste discharge without forewarning!", until they caught the attention of the Harbor Police, who required a complete demonstration, then sealed the gushers.