We passed the ISO9001:2000 and the CE identification. Thermosyphon Tubular solar water heater 1) Reliable and efficient with twin-glass solar tubes. 2) Easy plug-in installation. 3) Outer tank material: colour steel-plate. 4) Reliable and efficient with twin-glass solar tubes. 5) Easy plug-in installation. 6) Outer tank material: powder coated color steel sheet. 7) Inner tank material: 0.4mm thick SUS304 food grade stainless steel plate. 8) Frame material: color steel. 9) Superior heat preservation ensured by 50 - 65mm polyurethane foam insulation laye. |