... Good price, Strong warranty 300-1000L Horizontal solar water tank with heat exchanger 1. Inner tank: 1.5-2.0mm food grade stainless ... 0.6Mpa6. Heating elements: 1500-3000W About Us:Jiangsu Sunpower Solar Technology Co., Ltd1. Leading exporter: more than 500000 sets ... : systematic OEM service, from package design to tech support......3. Various certificates: ISO, EN12975, EU CE, Solar Keymark, Kang-Ju, ...