Water heat tank

PURPOSE: An instant hot water feeder is provided to reduce unnecessary power consumption by selectively heating a fixed amount of heating water. CONSTITUTION: An instant hot water feeder comprises a water tank(200), a pump motor(300), an instant hot water heater(400), and a heating element(500). The water tank includes an inlet port and a drain(230) and stores heating water. One end of the pump motor is connected to the drain using the connection pipe. The pump motor circulates and pumps the heating water saved in the water tank. The instant hot water heater is connected to the connection pipe to the other end of the pump motor. The heating element forms a heat flow path(530). The heating element increases the surface temperature from the fixed amount of heating water which is heated by the instant hot water heater.