● Commercial grade platinum liner ● LCD display, intelligent programming 7 days *24 hours a day, automatically controls night operation and weekend downtime ● Rated working pressure 1.1MPa ● It has three domestic hot water, heating and solar energy systems at the same time to meet the needs of one machine for multiple purposes ●50mm thick fluorine-free polyurethane insulation ● Step cycle ● Internally immersed INCOLOY electric heating elements ● The liner is guaranteed for six years, and the parts are guaranteed for one year