Compact Non-Pressure Solar Water Heater

Compact Non-pressure Domestic Solar Water Heater with Tank Size Ranging from 100L to 360L

Vacuum tubes are plunged inside to the tank directlyWorking pressure: 0 barSolar system must be put on the top, such as roofStorage tank capacity: 100 to 360LHigh efficiency, stable performance and long life timeNon-pressurized system is the most economic solar water heater which work stable and no need any maintenanceInstalled on the top, such as roof, to get enough hot water flow pressure by the gravity. With the assistant tank or water tower, could be feed water automatic 

Simple controller can operate the electric or show temperature and water level inside the water tankInner tank: SUS304-2B/0.4mm, outer tank: PVDF 0.4mm anti corrosionInsulation: high density polyurethane foam 65mmTube: 58 x 1,800mmSS-CU-AIN/ALN or AL-N-AL coatingStructure: all glass concentric dual tube geometerGlass material: borosilicate glassAbsorption: >0.92%Emittance: <0.08W/m2 at 80#176;CStagnation: >230m2Average heat loss: <0.8W/m2Hailstone: >25mmLifetime: >15yearsBracket: galvanized steel 1.5mm Assistant tank: 15LElectric heater: 2,000WAccessories: UV stabilized high temperature silicon