These extremely quiet operating systems can be started by small to medium sized generators or inverters and leave ample power for other equipment when running. . Only highest quality components that have proven to withstand continuous duty in a harsh marine environment are selected for ultimate performance and lifetime. All wetted components, including the regulating pressure valve and all high pressure fittings, are made of Duplex stainless steel. No proprietary components are used, therefore you are not bound to purchase expensive consumables only available from the original manufacturer (except pH buffer element). Standard filters, chemicals and membranes can be obtained anywhere. Three years warranty on all parts/components except consumables. Duplex stainless steel high pressure pump head and R.O. pressure vessel guaranteed for life. Triplex plunger pump for low revolution and pulsation free raw water flow. Spring loaded automatic pressure regulator for constant working pressure. No energy recovery pumps, no electronic circuits. High rejection R.O. membranes with a three year pro rated warranty. Separate control panel for remote operation. High pressure hoses with 'O' ring sealed Duplex stainless steel field attachable fittings. Modular concept for space saving installation. Post treatment pH buffer/hardener element saves up to 50% product water.