What is a water flow sensor on a water heater? The principle of operation, the role of the flow sensor

We often hear manufacturers introduce on water heaters, especially direct water heaters with water flow sensors. So what does it do and how does it work?

What is a water flow sensor on a water heater?

The water flow sensor or water flow control system is a system often built into today’s water heaters, ensuring that the water heater always has enough water to enter the machine before the element heats the water. be activated.

Working principle of flow sensor on water heater

The water flow sensor on the water heater measures the water flow rate into the machine to adjust the appropriate capacity, thereby controlling the outlet temperature of the water more accurately and efficiently.

Working principle: The water flow sensor consists of a copper valve body, a flow rotor assembly to control the water flow so that it is stable and a lobby sensor. This sensor will be installed at the water intake to measure the velocity of the water. At that time, water will flow through the rotor assembly causing the rotor to rotate to change the flow rate accordingly. Next, the sensor will send a pulse signal to the controller to evaluate the flow quality, adjust and control the current of the equivalent valve. From there, the valve will control gas consumption to make the water heater have the right temperature according to different weather conditions.

The role of the flow sensor on the water heater

• Preventing the phenomenon of hot water causing burns to users.
• Limit the risk of damage, fire or electric shock due to the heating resistor bar operating in the absence of water.
• Help your home’s hot water be adjusted to suit different weather conditions, ensuring safety for you and your family.

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