... Solar hot water heater Stainless steel tank material Easy to install Warranty: 15 years CE,CCC,ISO9001 Solar hot water Detaid Product DescriptionMaterial:1>, Inner water ... , machinery overall for keeping same temperature and high pressure foam.2> Heat preservation: 72 hoursCapacity ... or exchange due to original quality problemsPacking : Export Carton.Primary Competitive Advantage:1> CE , CCC , ISO90012> ...