... 02000 * 9241680 * 3140 Split Solar Water Heater System of sijile:a). Integrity of hot water syatem, should include all important device: ... the efficiency.f). Newly european water injection system, evacuate the air in solar heating system, let the heat-conducting medium flow ... of heat exchange, you can get higher hot water temperaturer.g). Whole system are inner pressure-bearing, airproof , prevent germ ...