The E-Tech EGN range are submersible drainage and sump pumps for slightly dirty water, containing solids up to 10mm in diameter. This makes them ideal and efficient for dealing with flood water and ground water ingress in basements. They are rated for continuous operation which makes them suitable for use with water features such as fountains and waterfalls. The have a double mechanical seal which makes them highly durable when permanently submerged and an interposed oil chamber which offers protection against dry running. A built in float switch is also standard on single phase models.