Electrical heating element 1.solar water heater with 1500W electric heater 2.the power ... heater and cause bad consequences.4,As to anti-dry heating product, at the required temperature, if you want to ... five minutes, connect to the power to go on heating.5,The set maximum temperature of our product is about ... and the producing factory. HY-4 HY-1 Electrical heating element solar water heater 1500W, 2000W