The instant-type electric water heater is mainly composed of a heating slot plate, a pressure sensor, a power regulator, a water regulating faucet, an inlet pipe and a water outlet pipe component, and the heating slot plate is a key component of the instant-type electric water heater. The heating tank consists of the tank weight, sealing ring, cover and heating elements. The electric heating element is located in the slot of the slot plate and is also generally called the tank of the instant-type water heater. A stainless steel heating pipe is used as a heating water heater, and the cold water enters the interior of the tank and is heated by flowing directly over the surface of the stainless steel heating pipe. The stainless steel electric heating tube is the most commonly used heating method in the instant electric water heater industry.