How Does Touchless Faucet Work?

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How Does Touchless Faucet Work

The popularity of touchless faucets will increase over time because it is one of the smartest products in the toilet industry. It ensures mass free use of faucet with no chances of spread of germs from one person to another. How the germ spread since the faucet requires no direct manual contact. Just place your hand or kitchen utensils under the spout of the touchless faucet and the water will start to flow. Remove the hand or object within the vicinity of the spout, the water flow will stop. So do you want to know how does a touchless faucet work? Let’s dig into the mechanism of a touchless faucet.

Touchless Faucet Mechanism

Touchless faucets are a little deceiving since their design is simple, clean, and quite attractive but behind the scene, their working mechanism is not so straightforward. To understand the mechanism of touchless faucets, you need to understand the different components of a touchless faucet. There are four components of a touchless faucet. These components are the sensor, power source, spout, and solenoid controlled valve. The working procedure of a touchless faucet in the most simplistic words is at the heart of this technological marvel is the sensor. When it detects your hands or an object, the faucet turns on. When the hand or object gets out of the sensor’s purview, the faucet turns off. Well, it’s a cursory explanation working mechanism of touchless faucets. To understand the full mechanism, you need to understand different components in detail.

The Sensor Part

The sensor of a touchless faucet makes it a magical product. This part is located at the base or lip of a spout. This location of the sensor allows the faucet to detect a hand or an object. The sensor uses infrared light to detect a hand or an object under the spout. You may not have any idea of infrared light. This light is invisible to human eyes. It’s like innocuous radiation. When infrared light detects a hand or an object, it gets reflected and bounced back to an infrared detector. The detector then sends a signal to the faucet valve to turn on the faucet.

There are also touchless faucets that don’t rely on Infrared light. They utilize ultrasonic field sensors. The field sensor is something like a magnetic field. When an object or hand reaches within the vicinity of the field, the faucet valve turns on and eventually turns on the faucet as well.

While Touchless faucets are the first choice of many customers thanks to their quite user-friendly functionality, but they may stats to mal-functioning due to the damage of their sensor part. The sensor part can lose its sensitivity due to splattering or mineral build-up from hard water. If a touchless faucet not working despite it is the product of a quality brand like Kohler, it’s a good idea to clean the sensor part first before replacing the whole unit. Clean this part by wiping it with rubbing alcohol.

Solenoid Valve

Inside the faucet fixture, there is a solenoid diaphragm valve. This valve is attached to the sensor. The valve also includes a rubber disc in its structure. This rubber disc controls the water flow. Since the valve is a solenoid activated which means it is one type of electromagnet which generates a controlled magnetic field through a coil wound that pushes the diaphragm valve to open and let the water flow. When the sensor detects anything, no electromagnetic field, no pushing of the valve, and no opening of the faucet valve. Some touchless faucets can deliver you hot or cold water depending on the installation of the fixture. However, most models of touchless faucets provide users hot water supply.

Power Source

Touchless faucets may get their power from two sources.  These two sources are an AC transformer or a dry cell battery. The touchless faucet models that utilize AC transformers as a power source get low voltage current from the transformer. The models that use dry cell batteries as power sources include the battery in the spout of the fixture. In touchless faucets, electricity is needed to power the sensor since it is the heart of the touchless faucets.

Advantages and Disadvantages of Touchless Faucets

Advantages of touchless faucets

  • Touchless faucets are not only easy to use but also affordable. So, don’t think that they’re beyond your budget. They’re ideal for installing in your bathroom, kitchen, utility sink, or wet bar. Touchless faucets offer below advantages
  • Since touchless faucets mean hands-free use, they can effectively cut the spread of germs like bacteria. If you examine the knobs of traditional faucets under a microscope, you will be awestruck after seeing millions of germs swarming there.
  • Touchless faucets may reduce water consumption in the kitchen. When you use traditional faucets in your kitchen, you may forget to turn off the faucet after cleaning your kitchen utensils which may lead to flow of gallons of water. But with touchless faucets, happening of an incident like this is highly unlikely
  • Installing touchless faucets greatly enhances your kitchen or bathroom decor.
  • If your hand is full somehow with so many dirty dishes, you can still turn on a touchless faucet by letting the sensor to inform your presence.
  • Since no product is free of limitations or disadvantages, touchless faucets are no exception. Below are a few disadvantages of touchless faucets

Disadvantages of touchless faucets

  • The batter needs to to be replaced with a new battery for the touchless faucet models that rely on the dry battery for a power source
  • The sensor part needs to be clean regularly to get the uninterrupted functionality of the touchless faucet.
  • The long spout of the touchless faucet houses many important components of the fixture. But the long spout also limits the design of the touchless faucet.
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My childhood memories are surrounded by dynamic, loving parents from whom I got my nurturing being and love of children. My passion and affection for taking care of babies began at a young age, and I fulfilled my dream of becoming a pediatric nurse. Over my career, I have assisted hundreds of families and babies, and with that inspiration, I started writing to share my experiences and baby care tips. From my own life experience, I have a deep understanding and a profound empathy and compassion for parents. I emphasize on newborn care at my blog. I help my readers to understand how to effectively set up a routine that fits the family's lifestyle, how to respond to the baby's needs, establish healthy sleep habits, and know about the extra care that a newborn requires, like diaper rashes, umbilical cord stump care, circumcision care, reflux, colic, swaddling, and soothing techniques. I am a mother of twin girls, in their 20's, which has been an invaluable experience for my life's work with children. I live in Virginia with my husband and daughters.

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