2014 Hot Sale Heating Resistance 12V DC Water HeaterSpecifications for 12v dc water heater: Voltage&Power:12V-600V,200W-30000W1.Water heating pipe.2.The pipe workpiece are including SUS304,SUS316,SUS321 INCOLOY840,Incoloy8003.Pipe Diameter are 6.6mm, 8.0mm and 10.0mm If a special diameter, the need for alternative.4.The surface load of the..