Different Faucet Aerator Sizes (with Photos) | Upgraded Home (2022)

Different Faucet Aerator Sizes (with Photos) | Upgraded Home (1)

Indoor plumbing is a convenience we seldom appreciate for the modern miracle it is. Open a tap, and water flows through a faucet into our sinks and tubs for washing, cooking, and drinking. But have you ever considered what directs and controls that flow from the spigot?

Most indoor faucets have an aerator attachment, either built-in or as an additional screw-on device. The faucet aerator adds tiny air bubbles to the water stream that helps minimize splashing and aids water conservation. Much like the faucet assemblies themselves, faucet aerators come in a variety of sizes.

A faucet aerator consists of three major components: the housing, an insert, and a rubber washer. They are inexpensive and relatively small parts but are environmentally friendly and substantial money savers. In addition to water flow and conservation, they are also helpful with added water filtration.

What Does a Faucet Aerator Do?

A faucet aerator’s primary function is guiding the incoming water flow into a straight stream with even water pressure. Depending on the aerator model and area water pressure, an aerator can boost lower water pressure to seem stronger. In molding the water flow by diffusing the stream, it reduces the water volume to minimize splashing and faucet noise.

An aerator draws air into the water stream and combines with the stream to create smaller droplets within the flow. As the water and air mixture passes through a screen, the droplets spread further out within the main water stream. This allows the water to flow more evenly as it falls to the sink’s surface.

Varieties of Faucet Aerators

Faucets aerators get classified by how you install them (type) and how they function once installed (style). The thread placement on the faucet tells you the aerator type, while how and whether they move independently indicates the style. Let’s detail the different types and styles of faucet aerators more extensively.

One way aerator types get determined is faucet thread placement, or where and how the aerator connects to the faucet. Faucets with external threads require female aerators, whereas internally threaded faucets call for male aerators. Dual aerators can fit either male or female faucet heads and produce a high-pressure flow.

Aerators are also classed according to how and whether they move in conjunction with the faucet spout. Stationary aerators remain fixed once threaded into the faucet head and can only move with the faucet itself. Swivel aerators, once threaded onto the faucet, can independently direct the water flow without moving the faucet arm.

Different Faucet Aerator Sizes (with Photos) | Upgraded Home (2)

Styles of Faucet Aerators

Once you’ve decided what type of aerator to install, you’ll need to select the style of the aerator. This choice mainly hinges on the desired flow rate and the type of water stream it will produce. Additional features can include Microban antibacterial protection, color, or finish of the aerator itself.

(Video) ▶️Top 10 Best Faucet Aerators For 2020 - [ Buying Guide ]

Aerator flow streams fall into three different categories: standard, spray, and laminar. Standard and laminar are most similar in that they both flow straight, but laminar is a more non-aerated clear stream. Spray aerators disperse the water streams further apart so that it flows as a showerhead would.

Aerator Flow Level

Aerator flow rate sets the appropriate task function by restricting water flow at different volume levels. A lower-volume aerator is suitable for everyday handwashing and dishwashing, whereas filling pots or kettles would merit a higher volume. A typical flow rate for standard aerators is 2.2 gallons-per-minute (GPM) and varies as flow rate increases or decreases.

Different Faucet Aerator Sizes (with Photos) | Upgraded Home (3)

Sizes of Faucet Aerators

By measurement, faucet aerators range from 16 mm-ex (Tom Thumb) to as large as 24-28 mm-ex (regular). Mid-range aerators fall under the classification of junior (20 to 22 mm-ex) and tiny junior (18 mm-ex). Which size you use depends on the diameter of the spout opening on the faucet arm.

A handy rule of measurement that helps with sizing faucet aerators is the coin comparison. For example, regular-sized aerators are roughly the size of a quarter, and juniors tend to be nickel-sized. For the smaller diameters, the tiny junior replicates a penny’s size, while the Tom Thumb is closest to the size of a dime.

Check out the standard faucet hole size.

Different Faucet Aerator Sizes (with Photos) | Upgraded Home (4)

Does My Faucet Need an Aerator?

The faucet’s design is to not only allow for water flow but to direct said flow in a specific direction. As such, a faucet aerator is not necessary to achieve this task; however, there are practical reasons to use one. An aerator directs the water flow more stringently to get it exactly where you want it.

Two other excellent reasons to use aerators on your faucets are water conservation and “flow feel.” Aerated water streams can allow for higher and lower pressure rates while restricting the amount of water used. The optimized flow fulfills the desired tasks with less water, which in turn saves you money on utility bills.

“Flow feel” consists of how heavily or softly water strikes a surface and is most noticeable when washing and bathing. For example, the champagne spray of a showerhead has a strong flow with a whisper-soft feel thanks to aeration. Conversely, the targeted jet spray concentrates that same amount of water into a stronger, more forceful stream.

How Do I Know What Size Aerator to Get?

We have already established that your faucet aerator size will correspond with the diameter of the faucet spout. How to more specifically narrow that measurement down, however, may call for more than the coin comparison method. You will likely need to measure your faucet spout and aerator apertures according to their threading.

(Video) Top 10 Kitchen Sink Aerators to buy in USA 2021 | Price & Review

Confirm whether the threading on the aerator is male or female first before measuring the diameter. For female threads, you will calculate the diameter according to the interior edges since the threading is inside. Likewise, you will reverse the process for the male threads and take your readings from the coupling’s outside edges.

You may have flow and volume needs that an aerator may conflict with your faucet type. Typically, faucet manufacturers will have size and part recommendations included in their product’s user manual. It is important to check for suitable and suggested accessories before installing an aerator.

Different Faucet Aerator Sizes (with Photos) | Upgraded Home (5)

Specialty Aerators

The most basic faucet aerator directs the water flow to minimize splashing and strain some impurities flowing in from outside. These are often built into the faucet assembly and intended for simple everyday functionality. But there are add-on aerators with bonus features you can install onto an existing faucet that can enhance its functionality.

Some aerators control the flow pattern of water, directing it into a jet stream or a shower spray pattern. You can install it simply by unscrewing the original aerator and screwing the new one in place. This is an easy, convenient and inexpensive way to add a sprayer to the sink without installing a new assembly.

For high-tech functionality at low-tech prices, there’s an aerator that uses LED lighting to indicate water temperature. As the water temperature rises, the lighting shifts from blue to green to red. Not only is it a helpful visual safety feature for kids and older adults, but it’s a cool light show.

Related Questions

Do I need to clean or maintain a faucet aerator?

Both the faucet and faucet aerator have screens built in to help strain impurities from the water flow. Over time, these impurities can build up and create clogs that block water flow or even calcify limescale on fixtures. It is important to regularly check your aerator for film or blockage that could interfere with its function.

You can clean an aerator filter by gently scrubbing it with a soft-bristled brush, like a small toothbrush. Use the brush to dislodge any foreign particles, then rinse thoroughly to flush them out. More stubborn debris or calcification may call for an acidic soak, which is as simple as using vinegar and water.

Proper and regular maintenance will help extend the life of your aerator and optimize its function. Eventually, your faucet aerator could wear down to the point of needing replacement. Fortunately, aerators are widely available, inexpensive, and easy to replace.

How do I choose a faucet aerator?

The faucet aerator you use will depend on what you’ll want to use it for. While the aerator’s main purpose is to streamline the water flow, some feature several extra functions. These functions may enhance a faucet’s use beyond its basic construction.

(Video) Flexible water-saving anti splashing Faucet Sink Aerator Head Kitchen stainless foaming device

Additionally, you’ll need to confirm the diameter of your faucet’s spigot to know which size will fit properly. Checking the thread position is also a good idea, so you’ll know if you need a male or female assembly. Most replacement aerators are universal, but some manufactures have parts created exclusively for their products.

What are some other benefits of using a faucet aerator?

The main benefits of faucet aerator use–flow control, stream direction, and conservation–are clearly obvious. However, there are some other benefits to using an aerator that you may not have picked up on. Aerated water enhances water’s performance as a cleansing agent and serves as a flavoring asset.

It’s well known that water softeners can treat water to improve how water interacts with soaps and cleaners. But using an aerator alone helps improve sudsing ability, allowing soaps to lather faster and work more efficiently with less. As a result, you’ll use less soap when bathing and washing dishes, saving both product and money.

Faucet aerators can also inherently improve the overall taste of tap water with the addition of air bubbles. Much like with carbonated or sparkling water, the added bubbles give a lighter taste and texture to tap water. This is especially helpful in getting people to drink their daily allotment of water and sufficiently hydrate their bodies.

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Stacy Randall

Stacy Randall is a wife, mother, and freelance writer from NOLA that has always had a love for DIY projects, home organization, and making spaces beautiful. Together with her husband, she has been spending the last several years lovingly renovating her grandparent’s former home, making it their own and learning a lot about life along the way.

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FAQs

What are the different size faucet aerators? ›

Size: Aerators typically come in one of two sizes: regular (usually 15/16” Male or 55/64” Female) and junior (usually 13/16” M or 3/4” F). You can measure your faucet, or use a simple shortcut using coins. If your faucet is roughly the size of a nickel, it needs a regular-size aerator.

How do I know what size faucet aerator I need? ›

With the help of a nickel and dime, you can easily determine the size of your aerator. First remove the insert and washer from the inside of the aerator. Set a nickel on top of the aerator, and if it's almost the same circumference, the aerator is a regular size. If it's not a regular size aerator, use a dime.

How do you know which aerator to buy for a bathroom faucet? ›

In the kitchen, O'Brian suggests choosing an aerator with a flow rate between 1 and 1.5 GPM. For bathroom faucets, opt for a flow rate in the . 5 to 1 GPM range, he says.

What size is a junior faucet aerator? ›

Typical "Regular" size for a faucet aerator is 15/16" male threaded or 55/64" female threaded, while "Junior" size is 13/16" male threaded or 3/4" female threaded.

What's the difference between male and female aerator? ›

A male aerator has threads on the outside of the aerator whilst a female aerator has the threads on the inside of the aerator. In the United States, the thread size are 15/16"-27 for standard-sized male and 55/64"-27 for standard-sized female.

How do I know what faucet adapter I have? ›

Choosing the Right Adapter

Determine whether your faucet spout is female or male threaded. Female-threaded spouts have their threads inside the end of the spout; male threads are found on the outside of the spout. If your faucet has female threads, you'll need an adapter with male top threads.

Can you fit an aerator to any tap? ›

Your tap aerator does not need to be from the same manufacturer as your tap, but it does need to be the right part. Aerators come in male or female fittings, like the male or female spouts on your tap. Male aerators fit with female spouts, and vice versa.

What is standard faucet thread size? ›

American Standard Faucet Aerator, 15/16" Thread Size.

How often should you change faucet aerators? ›

It's important to clean faucet aerators and screens to remove any debris from them. How often should I clean aerators? It's recommended you replace the aerator annually, and then clean the aerator twice a year.

What size are faucet connections? ›

A standard residential faucet supply line has a 3/8-inch compression fitting on one end and a 1/2-inch female NPT fitting on the other.

What is a dual thread aerator? ›

A dual thread aerator is very flexible in that it allows you to fit into both male and female threaded sprouts since it has threads on both the inside and outside.

What size is nickel aerator? ›

A: The brushed nickel housing of this1. 5 gpm aerator is dual thread and fits most standard size faucet spouts that have 15/16"-27 male or 55/64"-27 female threads. According to the faucet specifications that we found online this aerator should fit your faucet spout.

Are aerators color coded? ›

All NEOPERL® aerators are colour-coded (WATERCOLOURS® concept) and can thus easily be identified in terms of flow rate and stream pattern (aerated or laminar). This simplifies the faucet production process as well as the procurement of spare parts.

Do faucet aerators need to be replaced? ›

If water from your faucet is squirting to one side or you've noticed the flow of water has slowed to a dribble, then it might be a clogged aerator that needs replacing. Faucet aerators come in several designs: housing, integrated thread, or special design models.

How can you tell if a tap thread is male or female? ›

Male threads are on the outside, like a bolt. Female threads are on the inside, like a nut. The male threads screw into the female threads.

How do you remove a faucet aerator without removing it? ›

Press the lemon onto the end of the faucet. Put a small plastic bag around the lemon and secure it around the faucet with a rubber band. Be sure the rubber band is cinched tightly and the lemon covers the end of the faucet. Leave the lemon in place for a few hours to allow the citric acid to work its magic.

What size is Tom Thumb aerator? ›

5 x 1 Threads, Plastic, 0.591" Height.

How do you measure a faucet thread? ›

How to Figure out Which Aerator (Faucet Fixture) You Need - YouTube

Does an aerator reduce water pressure? ›

Aerators screw into kitchen and bathroom faucets. Holes in the screens add air to the water as it streams out of the faucet. Faucet aerators are screens at the end of a faucet. The devices reduce the amount of water that comes out of a faucet and control the stream.

Do faucet aerators save water? ›

Replacing old, inefficient faucets and aerators with WaterSense labeled models can save the average family 700 gallons of water per year, equal to the amount of water needed to take 45 showers.

What size thread is a pull down faucet? ›

STANDARD FITTING: the outer diameter of male connection of our pull down faucet head is 0.8" (13/16" or 20.5mm), NOT 1/2", the inside diameter is 0.55" (9/16" or 14mm), fits with most applications, but doesn't fit some models from specific brands.

How long should you soak faucet aerator in vinegar? ›

Soaking the aerator in vinegar will loosen some of the grime. You can soak it as long as you want, but even five minutes will help.

What does a kitchen faucet aerator look like? ›

A faucet aerator looks like a small end piece for the faucet with a mesh screen disk. Find out the aerator's many valuable purposes and why you usually don't want a faucet without an aerator.

How do I increase faucet flow rate? ›

In most cases, the easiest way to increase a faucet's flow rate is by replacing the aerator. Try looking for a higher gpm model to allow for more gallons per minute. If you live in a low water pressure area, an aerator designed to restrict water flow might be reducing the flow too much.

What is the standard size of faucet supply line? ›

A standard residential faucet supply line has a 3/8-inch compression fitting on one end and a 1/2-inch female NPT fitting on the other.

What is standard faucet thread size? ›

American Standard Faucet Aerator, 15/16" Thread Size.

How many gpm does a bathroom faucet use? ›

The average flow rate for faucets is between 1.0 gpm and 2.2 gpm. In the US, the maximum flow rate for kitchen and bathroom faucets is 2.2 gpm at 60 psi.

What size is Tom Thumb aerator? ›

5 x 1 Threads, Plastic, 0.591" Height.

What size are Moen faucet supply lines? ›

Moen faucets typically utilize either flexible supplies with ⅜" compression fittings or ½" IPS connections.

Why does my faucet have 3 lines? ›

The air gap faucet itself requires, therefore, three tubes rather than one — one is for the upward drain water, one is for the downward drain water, and a third is for the unit's product water, which you drink. This means that it must have a wider base and will require a larger hole in the sink for installation.

What size are Delta faucet supply lines? ›

From the manufacturer. This is an Everflow Supplies flexible faucet supply line, for delta faucets, made of stainless steel braided hose. In particular, It has a 3/8 inch fip compression fitting and a 3/8 inch mip fitting, with chrome plated brass nuts.

What size thread is a pull down faucet? ›

STANDARD FITTING: the outer diameter of male connection of our pull down faucet head is 0.8" (13/16" or 20.5mm), NOT 1/2", the inside diameter is 0.55" (9/16" or 14mm), fits with most applications, but doesn't fit some models from specific brands.

What is a dual thread aerator? ›

A dual thread aerator is very flexible in that it allows you to fit into both male and female threaded sprouts since it has threads on both the inside and outside.

Does higher GPM mean more pressure? ›

GPM stands for gallons per minute. It refers to the flow rate or the volume of water that moves through the pressure washer's nozzle every minute. Think of GPM as rinsing power. The higher a pressure washer's GPM, the quicker you can wash a surface clean.

How do I increase water flow from my faucet? ›

To adjust the water pressure of your faucet, locate the 2 valves underneath your sink that control hot and cold water. Turn the valves counterclockwise to increase the water pressure or clockwise to decrease it.

Do all new faucets have flow restrictors? ›

A faucet aerator reduces the maximum water flow rate from your faucet. The average kitchen faucet aerator has a flow rate of 2.2 gallons per minute, according to Home Water Works. All new faucets sold since 1994 are required to have flow restrictors in order to conserve water.

Are faucet aerators color coded? ›

The hygiene faucet aerators come in four different colors: blue, red, yellow, and green. Each color represents a replacement cycle. This means it is easy to recognize and monitor whether replacement is taking place regularly and correctly.

How do you remove an aerator from a recessed faucet? ›

How to Remove Recessed Faucet Aerator - YouTube

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