Water heater 1.CE,ISO,SGS ,solar keymark 2.Low pressure,stangard SABS 3.High Quanlity&Reasonable Price Water heater 1.CE,ISO,SGS ,solar keymark 2.Low pressure,stangard SABS 3.High Quanlity&Reasonable PriceFeatures:1) Material: steel, stainless steel, mica or other specialized metals2) Suitable diameter, mounting method, correct watt density and appropriate terminal protection of these elements ...