... Designed for domestic use. Model No.:JTS004. Solar Water Heater Solar Water Heater with Galvanized Steel Bracket, Customized Styles are Available.Designed ... ,800, and 70 x 2,000mm Amount of vacuum tube: 16, 18, 20, 24, 30, and 36 Outer tank material: imported ... normally under specific power at the User side. Solar Water Heater JTS004