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Marine bidets are available from Dometic [13], Headhunter [10] and Tecma (Silence, Sarinautico) [11].
== Pumps ==
Pumps are diaphragm- or piston-types. Diaphragm pumps can be manual or electric. They pass solids better than piston pumps. They can be run dry without damage. Their simple design makes them more robust and easier to maintain.
Macerator electric pumps are used at the toilet to mush up the solids. They reduce the amount of water needed for flushing and minimize the risk of clogged pipes. They can burn up if the pump is run dry.
Pumps should be rated for sewage. Bronze pumps are the most rugged. Aluminium pumps are subject to corrosion. Plastic pumps are resistant to corrosion but likely to leak.
[[Category:SewageSystems]]