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How Do Faucets Work- A Complete Guide To Understanding A Faucet

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You must have wondered how the faucet responds every time you use it. On a simple twist, touch, or placing your hands, it begins to release water.

Immediately you are done, the faucet stops as soon as you turn it off.

Many people wonder about the technology behind the effective working of these components. team has compiled the facts to help you understand your faucet.

Several kinds of faucets come in different designs. Amazingly, each type of faucet has its kind of working style. However, the principle involved in the making of the taps is the same.

Components of a Faucet

Each faucet has components that make its performance excellent. They are as follows.

  • A handle

  • seat

  • Spring

  • Spout

  • Stem cartridge

  • Aerator

  • Index button

  • Aerator wrench

Each of the highlighted components plays a role in boosting the functionality of the faucet. We will focus on the function of each part then look at various types and how they work.

Parts of a Faucet

Index button

An index button is also called the tap. You will realize that most of the faucets come with the cap. It plays a significant role in starting and ending the flow of water.

Sometimes it comes with a circular design, which you turn to start and end water flow.

When turning it, it either closes the valve that allows the flow of water. The bigger the opening, the more the amount of water. It, therefore, keeps increasing the amount of water as you twist it.


The handle is the tall element of the faucet. One thing about it is that its height is the determinant of how the water will flow.

At your comfort, you can adjust the handle’s height to increase the amount of water flow.

Comfort is also determined by height. You will choose the height that is ideal for you. The higher the handle, the more the water flows.

If your tap has two handles, then you can switch between the hot and the cold water.  Twisting the angle determines the kind of water you get. Shifting it to the extreme left or right determines the type of water that flows.

Moving it is either to the extreme right or left for better functionality.


This is the part that allows the water to move out of the tap. It only ensures that there is adequate space for water flow.

Various shapes and sizes also make the unconditional flow reliable. It is responsible for directing water towards a specific point.


The aerator is responsible for regulating the amount of water that flows through the sprout. It also ensures that there are no water splashes as you open the tap.

When you control the amount of water coming out, it will ensure that you have the amount of water you require.


The seat is responsible for the movement of the tap. It is a plastic generally placed at the string. As the tap stem moves, the seat ensures that it is stable and not exposed to damage.

A significant responsibility to ensure that the tap is safe gets therefore played.


The spring plays a significant role in maintaining the performance of the faucet. Once you press the tap, the spring ensures that it holds it back. It also ensures that the tap performs as expected when releasing and stopping the flow of water.

Stem cartridge

The stem cartridge is the central part of the faucet. It ensures that there is movement from one point to another according to your needs. You will quickly adjust its movement to facilitate its operation.

Common Types of Faucets and How they Work

 The several types of faucets also boast different performances. A few examples of how they work are as follows.

Ball faucets

This type of faucet has a ball bearing. It functions by rotating to allow the release of both hot and cold water. You will use a single handle cap to maintain and switch between round the water temperature.

Adjusting it to various positions will result in different temperatures. You can as well control the water flow.

Cartridge faucet

You can get this faucet both in single and double handles. They make your work very simple because you do not need to make adjustments. You will love using it because it does not require any rotations.

Controls using the same tap is very efficient and possible.

Disc Faucets

These models of faucets have a cylindrical design. You will appreciate the elegant look with a single handle design. Movement is therefore easy and reliable as it moves from side to side and up-down movement.

Upper and lower discs help in facilitating the movement of the handle. As the handle move, the top disc moves with the handle while the lower one remains stable. The lower one, therefore, controls the flow of water.

Stem and valve Faucets

This tap has a single unit composed of its components in it. On the upper part, you will find a handle attached to the cylinder and stem. Connection to both the hot and cold water system is direct. You can, therefore, be very sure that adjusting temperatures is effortless.

Turning the faucet’s handle to the right or left helps in the adjustment of the temperatures. A sprayer also forms part of the tap. On a single touch, you will have your cleanliness thoroughly rinsing.

Compression faucet

This type of tap has a metal screw and rubber washer to the inside. It features a thread along the stem, which holds it firm. Operating it is simple because tightening the stem stops water flow while loosening it releases water.

Therefore, it has been in existence for a long time, but it is becoming extinct due to leakages.

How Does a Faucet Tap Work?

You may think the working of a faucet tap is complicated, but it is not. Turning a tap’s cap releases pressure, which pushes the water out.

Once the pressure valve relaxes, water begins to move out of the tap. Releasing it stops water from moving out.

Further rotation adds more pressure to the tap hence more water.

Working of a Faucet with Two Handles

The primary work of two handles is to control the temperatures of the water. You can adjust the rate of water flow by raising or turning the handle. You can balance the two to have your desired temperatures.

Once raised, water flows through the faucet. Using this type and using a cap faucet is the same. If you have a cartridge faucet, then there is less complication.

It features a single tap that you raise to increase water flow. Tilting of the handle makes the temperatures change. Placing the handle at a strategic position balances the water temperatures.

In general, a faucet works by adjustment and movement of the handles. It has systems that get triggered by simple actions. Each component in it is essential as it enhances its working.


Each type of faucet works on its design. However, the design employed in the making of all faucets is the same. You only need to understand it’s working.

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