Description Of ChunSheng solar water heater 
MODEL      SUNRISE 16 TUBES   SUNRISE 18 TUBES   SUNRISE 20 TUBES SUNRISE 24 TUBES
   
ENERGY EFFICIENCY GRADE 2 2 2 2

SIZE  (mm) 1495*490*535 1655*490*535 1851*490*535 2135*490*535

WEIGHT  (KG) 62.1 70.1 75.4 100.1
ELECTRICAL HEATING OPTIONAL OPTIONAL OPTIONAL OPTIONAL

AUTOMATIC WATERING OPTIONAL OPTIONAL OPTIONAL OPTIONAL

POWER (W) ELECTRICAL HEATING 2000 2000 2000 2000
NUMBER OF CACUUM TUBES 16 18 20 24
TANK CAPACITY  (L) 120 132 150 175
INNER TANK LENGTH  (mm) 1320 1480 1640 1960
DIAMETER  (mm) 360 360 360 360
WORKING PRESSURE(MPa) 0.05 0.05 0.05 0.05
WALL THICKNESS  (mm) 0.4 0.4 0.4 0.4
MATERIAL 304 STAINLESS STEEL
OUTER CONTAINER MATERIAL PEARLSCENT PLATE PEARLSCENT PLATE PEARLSCENT PLATE PEARLSCENT PLATE PEARLSCENT PLATE
WALL THICKNESS  (mm) 0.32 0.32 0.32 0.32
SURFACE TREATMENT SPRAY-PAINT SPRAY-PAINT SPRAY-PAINT SPRAY-PAINT BRACKET MATERIAL COLD-ROLLED STEEL
THICKNESS (mm) 1.5 1.5 1.5 1.5
SURFACE TREATMENT SPRAY-PAINT SPRAY-PAINT SPRAY-PAINT SPRAY-PAINT INSTALLATION SCREW MOUNTING SCREW MOUNTING SCREW MOUNTING SCREW MOUNTING
CACUUM TUBE MATERIAL HIGH BOROSILICATE GLASS
SIZE φ58*1800 φ58*1800 φ58*1800 φ58*1800
ABSORPTION RATIO ≥0.86 ≥0.86 ≥0.86 ≥0.86
PIPE CONNECTION MODE M20*1.5 THREAD LINK M20*1.5 THREAD LINK M20*1.5 THREAD LINK M20*1.5 THREAD LINK
TANK INSULATION MATERIAL HIGH PRESSURE POLYURETHANE FOAM

AVERAGE HEAT LOSS FACTOR[W/(M3·K)] 11.4 11.4 11.4 11.4
STANDARD GB19141-2011 GB19141-2011 GB19141-2011 GB19141-2011
CERTIFICATION CQC CQC CQC CQC