الوصف

solar water heater solar water heater solar water heater vacuum tube vacuum tube vacuum tube solar collector solar collector solar collector ***** of Vacuum tube/Housing/Bracket:two layers high borosilicon glass tube/Pearl Board/Color Galvanized plate ***** of inner tank: imported food-grade SUS****2B 0.*0MM thickness ***** of insulation:Dow polyurethane, using Overall mixing high-pressure foaming technology, high density, Obturator rate up to *5% ***** of Silicone ring:Medical Silicone Rubber Polymer, high quality strength, anti-leakage, long life ***** of dust ring&fixed seat:Haining JiuJiu ABS, long life 5.2 times flanging of inner tank to prevent water leakage