... by a pump.Water can be heated in tap water supplyImmergingheaterHeater immerge at bottom of water tankHeat quiet water, with uniform ... for large powerUnderside heaterHeater put under bottom of water tankHeat quiet water, with uniform temperatureRising time is too long to ... bath, footbath, washing hand, vegetable and dish. PTC water heater for drink warmer and boiler, vapor generater, detailed ...