260 - DML - 1. 13 Gals/hour 12 volt. DC Watermakers for Yachts. These desalination systems are made without "bells and whistles" for live aboard offshore cruising with peace of mind. As with all other ECHOTec. systems only highest quality raw materials, that have proven to withstand continuous duty in a harsh marine environment are selected for ultimate reliability and lifetime. All wetted components including the true regulating pressure valve and all high pressure fittings are made of Duplex stainless steel. For economical maintenance no proprietary components are used that bound you to purchase expensive consumables only available from the original manufacturer. 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 (except Econo Series ). 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. No proprietary equipment - Consumables may be obtained anywhere (except pH buffer element).