OEM style 100L solar water heater High quality & good price 3 years whole system guarantee 15 years vacuum tube guarantee

* Water tank of 500L solar water heater,

   Outer tank material, Color coated steel

   Inner tank material, SUS304-2B food-grade stainless steel

   Insulation layer material, Polyurethane foam

   Pipe material, stainless stee

   Outer tank thickness, 0.31mm

   Inner tank thickness, 0.31mm

   Insulation thickness, 50mm

   Pipe size, 15mm/20mm

* Collector of 500L compact solar water heater

Tube size	58x1800mm
Outer tube diameter	58mm
Inner tank diameter	47mm
Glass thickness	1.6mm
Material	3.3 high borosilicate glass
Absorptive Coating	ALN/AIN-SS/CU
Thermal expansion	3.3x10-5K-1
Absorption efficiency	More than 93%(AM1.5)
Emissivity	Less than 5%
Vacuum	Less than 3×10-3Pa
Heat loss	Less than 0.6W/m2°C

* Frame for 50 tubes non-pressure solar water heater

   Frame material, galvanized steel

   Frame thickness, 1.4mm thickness

   Frame angle, 27-56 degree

* Loading QTYs of our compact solar water heater

  15sets/20GP,   30sets/40GP,  37sets/40HQ

   

* Pictures of 500L compact non-pressure solar water heater

Welding for pipes

Sketch map

Side tank with company LOGO

Working principle of non-pressure solr watr heater

500L Compact Non-pressure Solar Water Heater