Controlling The Flow of Water

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Controlling The Flow of Water

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Subtle difference in which valves and pipes are used to fill and flush the bowl can add up to less odor, reduced water use, and less energy use over the long run.

1. The toilets had at least one check valve to prevent waste from re-entering the macerator. Most had two: one at the macerator discharge tube and the other at the tailpipe where the holding tank hose joined.

2. The flapper valve on the Planus Artic (also indicated in illustration at left) mates with a stainless-steel lip on the Planus Artic’s macerator discharge pipe.

3. & 4. The tricuspid valve (Jabsco) and the duckbill valve (Dometic) flex open with the force of water pressure, then close when the pressure is released.

Controlling The Flow of Water

Darrell Nicholson
Practical Sailor has been independently testing and reporting on sailboats and sailing gear for more than 50 years. Its independent tests are carried out by experienced sailors and marine industry professionals dedicated to providing objective evaluation and reporting about boats, gear, and the skills required to cross oceans. Practical Sailor is edited by Darrell Nicholson, a long-time liveaboard sailor and trans-Pacific cruiser who has been director of Belvoir Media Group's marine division since 2005. He holds a U.S. Coast Guard 100-ton Master license, has logged tens of thousands of miles in three oceans, and has skippered everything from pilot boats to day charter cats. His weekly blog Inside Practical Sailor offers an inside look at current research and gear tests at Practical Sailor, while his award-winning column,"Rhumb Lines," tracks boating trends and reflects upon the sailing life. He sails a Sparkman & Stephens-designed Yankee 30 out of St. Petersburg, Florida. You can reach him at darrellnicholson.com.