300L water heater ishouseholdwater heating system for 6~7 people daliy life. Popular installed inflat roof or balcony.1. Vacuum tubes: 58*1800mm three target coating, blue color
2. Inner tank material: SUS304-2B 0.41mm or customized.
3. Outer tank material: imported Coated Galvanized steel with 0.31,0.41MM.
4. Insulation material:30~ 50mm
5. frame material:SUS201/202 with 1.2mm thickness
6. Storage tank: It compeltly sealed tank with copper connectors for vacuum tubes.
7. Capaicty: 80L, , 120L, 150L, 200L,, 300L,360L.400L,600L.
DescriptionCompact Non-pressure solar water heaterMaterial of out tank0.31-0.4mm thickness color steel/ fluorine carbon steelMaterial of inner tankFood grade 0.4 mm thickness SUS304 stainless steelTank insulating layer55mm 45kg/m³ high-density polyurethane foamedInlet and outlet holeMale G 1/2, 3/4Max pressureSolar collector tube3.3 Borosilicate glass with N/Al coatingThickness of glass tube1.6mmVacuum tube tightnessP<=0.005 PaAbsorptionAS=0.93-0.96(AM1.5)Emission ratio0.04-0.06(80C+-5C)Idle sunning property parametersY=220~260m2.C/KWAverage heat loss coefficientULT=0.6~0.7W/(m2.C)Bracket1.5mm thicknessAluminium alloyWeldingArgon arc weldingFastening piecesMade of stainless steel screwTube typeΦ47x1500mm,Φ58x1800mmTank capacity120L,150L,180L,200L,240L,300L,360L