1. Ccc, ce, iso certificated 2. Sus 304 food grade tank 3. Get hot water of 95-100 degree 4. Warranty:5years 5. Quick deliver Characteristics 1. Instant heat exchange to provide plentiful warm water 2. Fresh and high water quality 4. Output water temperature is stable, so it is very comfortable and safe to use 5. Hot&cold water flow is separated 6. Copper coil is tested and does not break 7. Works intelligently and easy and is very reliable 8. Perfect performance Material Inner tank: imported stainless steel (sus304/2b), 0.5mm thickness Outer tank: galvanized steel alloy, 0.4mm thickness Bracket: galvanized steel alloy, 1.5mm thickness Heat insulation layer: imported polyurethane (bayer, germany), 50mm thickness Working temperature: 99 celsius degree Working pressure: copper coil: above 0.6mpa (6 bars), tank: 0.005mpa (0.05 bars) Copper coil: 12mm, 0.8mm thickness Warranty: 1 year for electric parts/5 years for the full system /15 years for the vacuum tube Remark: 1. Diameter of the tank: 360/460mm 2. Insulation thickness: 50mm 3. Coil connection: 1/2" 4. Electric heater connection: 1" 5.Cold water inlet: 1/2" 6. Installation angel: 45 Packaging details: Manifold in one carton, frame in one carton, vacuum tubes in several cartons