Vakuumröhrensolarwarmwasserbereiter

Vacuum TubeSolar Water Heater Working Principle Non-pressure solar water heater relies on the natural circulation of water between the collector and the tank. As water in the vacuum tubes is heated it rises naturally into the tank, while cooler water in the tank flows down to the bottom of the vacuum tubes, causing circulation throughout the system. Characteristic Economic and EfficiencyPopular in the village and accept by most of peopleSimple design and easy to installSpecification Inner tank:SUS304 2B food grade stainless steel 0.41mm,0.5mmOuter tank: White color steel or Stainless steel 0.41mmHeat Preservation: Polyurethane 50-60mm Preserving time:72-84hoursWorking pressure:0Mpa,testing for 0.2MpaCapacity:100L,130L, 150L,160, 200L , 250LOptional accessory: Electric heater, Controller