How do Tankless Toilets Work? (A Clear Explanation)

Photo of a tankless toilet and a bidet by its side. How do Tankless Toilets Work?

If you’re in the market for a new toilet, you may have heard about tankless toilets. These innovative bathroom fixtures have become increasingly popular in recent years due to their water-saving capabilities and modern design. But how exactly do tankless toilets work, and what sets them apart from traditional toilets?

Unlike traditional toilets that rely on a tank of water to flush waste, tankless toilets use high-pressure water directly from the supply line. This means that the water is only released when you flush, resulting in a more efficient and eco-friendly flushing system. Additionally, tankless toilets often have a sleek, modern design that can add a touch of sophistication to any bathroom.

Below, we’ll take a closer look at how tankless toilets work and explore the benefits of this innovative bathroom fixture.

Key Takeaways

  • Tankless toilets work by using high-pressure water directly from the supply line, unlike traditional toilets that rely on a tank of water to flush waste. This makes them more efficient and eco-friendly.
  • The biggest advantage of tankless toilets is water conservation. They use significantly less water per flush compared to traditional toilets, which can result in substantialwater savings over time.
  • Tankless toilets have key components, including the bowl, siphon tube, valve, and electric pump, that work together to flush waste without the need for a water tank.
  • The working mechanism of tankless toilets involves gravity and pressure to create a powerful flush. The siphon and valve play crucial roles in efficiently carrying away waste.
  • When installing a tankless toilet, it’s essential to consider plumbing requirements, height, and size considerations to ensure proper installation and functionality.
  • Advantages of tankless toilets include water-saving capabilities, space-saving design, ease of cleaning and maintenance, and low water usage per flush.
  • Some disadvantages of tankless toilets include their reliance on electricity, higher upfront cost, and potentially louder flushing due to the electric pump.

Understanding Tankless Toilets

If you’re looking to upgrade your bathroom, you might be considering a tankless toilet. These innovative toilets have a variety of benefits, from saving water to freeing up space in your bathroom. In this section, we’ll take a closer look at how tankless toilets work and what sets them apart from traditional toilets.

Tankless Toilets Vs Traditional Toilets

The biggest difference between tankless toilets and traditional toilets is, as the name suggests, the lack of a tank. Traditional toilets use a tank of water to clear the bowl, while tankless toilets rely on a direct connection to your home’s plumbing system. This means that tankless toilets don’t need to store water, which can save you space and reduce the risk of leaks.

Another major advantage of tankless toilets is water conservation. Traditional toilets can use between three and five gallons of water per flush, while tankless toilets use a fraction of that amount. Some tankless toilets can save you up to 13 gallons of water per day, which can add up to significant savings over time.

Components of a Tankless Toilet

While tankless toilets don’t have a tank, they still have a number of components that work together to flush waste. Here are some of the key parts of a tankless toilet:

  • Bowl: This is the part of the toilet that you sit on. It’s connected directly to your home’s plumbing system and doesn’t store water.
  • Siphon tube: This is a curved tube that helps create suction to flush waste out of the bowl.
  • Valve: The valve controls the flow of water into the bowl. In tankless toilets, the valve is set to allow only a predetermined amount of water to enter the bowl when you flush.
  • Electric pump: The electric pump is responsible for creating the pressure needed to flush waste out of the bowl. It’s usually located near the base of the toilet.

Working Mechanism of Tankless Toilets

Tankless toilets are gaining popularity due to their water-saving and eco-friendly features. They work differently from traditional toilets, and understanding their working mechanism is crucial for proper usage and maintenance. In this section, we will discuss the working mechanism of tankless toilets and the role of gravity, pressure, siphon, valve, and flushometer.

Gravity and Pressure

Traditional toilets use gravity to flush waste, while tankless toilets use pressure to create a powerful flush. The toilet bowl is connected to a water supply line that provides high water pressure. When you flush the toilet, the valve opens, and water rushes into the bowl, creating a powerful force that carries the waste away. The high water pressure is what makes tankless toilets efficient and effective.

Siphon and Valve

The siphon is an essential component of a tankless toilet. It creates a vacuum that helps to pull the waste down the drain. When you flush the toilet, the valve opens, and water rushes into the bowl. The water creates a siphon that pulls the waste down the drain and into the sewer line. The siphon is an important part of the toilet’s working mechanism, and it ensures that the waste is carried away efficiently.

Flushometer

The flushometer is another critical component of a tankless toilet. It controls the flow of water into the bowl and ensures that the toilet flushes properly. The flushometer is usually located behind the toilet bowl and is connected to the water supply line. When you flush the toilet, the flushometer opens, and water rushes into the bowl, creating a powerful flush.

Tankless toilets are becoming increasingly popular due to their water-saving and eco-friendly features. They work differently from traditional toilets, and understanding their working mechanism is crucial for proper usage and maintenance. The table below summarizes the working mechanism of tankless toilets.

ComponentFunction
Water Supply LineProvides high water pressure
ValveOpens to let water into the bowl
SiphonPulls waste down the drain
FlushometerControls the flow of water into the bowl

The Sloan Valve Company is a leading manufacturer of flushometer toilets, and their products are widely used in commercial buildings. If you’re considering installing a tankless toilet, it’s important to choose a reliable and reputable brand.

Installation of Tankless Toilets

When installing a tankless toilet, there are a few things to consider to ensure proper installation. This section will cover the plumbing requirements, height, and size considerations.

Plumbing Requirements

Before installing a tankless toilet, it is important to check the plumbing system and water supply lines to ensure they can handle the increased water pressure required to operate the toilet. It is recommended to hire a plumber to install the toilet to ensure proper installation, especially if any changes need to be made to the plumbing system.

Height and Size Considerations

When you’re going for a tankless toilet, make sure to take into account the toilet’s height and size. Mounting it on the wall can be a smart move, as it frees up precious floor space and creates a more open and airy vibe in your bathroom. Plus, the added perk is that you get to customize the height to suit your own comfort level.

The size of the toilet can also be a factor to consider. Tankless toilets tend to be smaller than traditional toilets, which can be beneficial for smaller bathrooms or spaces where maximizing floor space is important.

It is important to note that the installation process for a tankless toilet can be more complicated than a traditional toilet due to the plumbing requirements and electrical components. It is recommended to hire a professional plumber to ensure proper installation and avoid any potential issues.

Advantages and Disadvantages of Tankless Toilets

Tankless toilets have been gaining popularity in recent years due to their unique design and water-saving capabilities. However, like any other product, they have their advantages and disadvantages. In this section, we will explore the pros and cons of tankless toilets.

Pros of Tankless Toilets

One of the most significant advantages of tankless toilets is their water-saving capabilities. They use significantly less water per flush compared to traditional toilets, which can save you money on your water bill. Tankless toilets also eliminate the need for a storage tank, which can save you space in your bathroom.

Another advantage of tankless toilets is their compact design. They take up less space than traditional toilets, making them ideal for smaller bathrooms. Additionally, they can be installed in any bathroom spot because they don’t contain any toilet tank.

Tankless toilets are also easy to clean and maintain. They have fewer parts than traditional toilets, which means there are fewer things that can go wrong. They also don’t have a tank that can leak or break, which can save you money on repairs in the long run.

Cons of Tankless Toilets

One of the biggest drawbacks of tankless toilets is their reliance on electricity. Most tankless toilets designed for residential use rely on an electric pump to flush, which means they won’t work during a power outage. If you live in an area with frequent power outages, a tankless toilet may not be the best choice for you.

Another disadvantage of tankless toilets is their higher upfront cost. They tend to be more expensive than traditional toilets, which can be a barrier for some homeowners. However, the long-term savings on water and maintenance costs may make up for the initial investment.

Finally, tankless toilets can be louder than traditional toilets due to the sound of the electric pump. This may not be a significant issue for some homeowners, but it is something to keep in mind if you’re sensitive to noise.

Cost Considerations

If you are considering purchasing a tankless toilet, it is important to factor in the cost considerations. While tankless toilets can save you money in the long run, they do come with a higher initial price tag.

Initial Purchase and Installation Costs

One of the biggest expenses associated with a tankless toilet is the initial purchase and installation costs. Tankless toilets are typically more expensive than traditional toilets, with prices ranging from $500 to $1500 or more. The complexity of installation and regional labor rates can also contribute to the cost, typically adding $200 to $500 to your total cost.

When selecting your tankless toilet, consider the following aspects:

  • Bathroom Infrastructure: Alterations to existing plumbing or electrical systems to accommodate your tankless toilet can inflate installation costs.
  • Water Pressure: Tankless toilets require a strong water pressure to function properly. If your home’s water pressure is not strong enough, you may need to install a pump to increase the water pressure.
  • Drainage System: Tankless toilets require an adequate drainage system to function properly. If your home’s drainage system is not sufficient, you may need to install additional pipes or a larger drain line.

Maintenance and Repair Costs

While tankless toilets require less maintenance than traditional toilets, they can still require repairs from time to time. It is important to factor in the maintenance and repair costs when considering a tankless toilet.

Some potential maintenance and repair costs associated with tankless toilets include:

  • Replacement Parts: If a part of your tankless toilet breaks, you may need to purchase replacement parts. These can range from a few dollars to several hundred dollars depending on the part.
  • Professional Repairs: If you are not comfortable making repairs yourself, you may need to hire a professional plumber. This can add to the overall cost of owning a tankless toilet.
  • Cleaning: While tankless toilets require less cleaning than traditional toilets, they still require regular cleaning to prevent buildup and clogs. You may need to purchase special cleaning products or hire a professional cleaner to keep your tankless toilet in good condition.

Water Efficiency and Environmental Impact

Water Conservation

One of the biggest advantages of tankless toilets is their water efficiency. Since these toilets don’t rely on a tank to hold water, they use less water per flush. According to the US Environmental Protection Agency, replacing old, inefficient toilets with WaterSense labeled models can reduce water used for toilets by 20 to 60 percent. That’s nearly 13,000 gallons of water savings for your home every year! This could also save more than $140 per year in water costs and $2,900 over the lifetime of the toilets.

Tankless toilets use water velocity to remove waste instead of water volume, which means they can reduce toilet water usage by 20 to 60 percent. This is a significant amount of water savings that can make a big difference in your water bill and in the environment.

Power Consumption

While tankless toilets use less water, they do require a power source to function. This means that power outages can be a problem for tankless toilets. However, some models come with a battery backup that can keep the toilet functioning during a power outage.

In terms of power consumption, tankless toilets use less power than traditional toilets with tanks. The modern tankless toilet has been improved to consume as little as 1.28 gallons per flush, which significantly helps in your endeavors to save water at home. At 1.28 gallons per flush, you can conveniently save up to 20% more water than someone using a toilet with a flush rate of 1.6 gpf.

Tankless Toilet Brands and Models

When it comes to choosing a tankless toilet, there are several brands and models available in the market. In this section, we will discuss two of the most popular brands: Toto and Kohler.

Toto Tankless Toilets

Toto is a well-known brand when it comes to tankless toilets. They offer a wide range of models, including wall-mounted and wall-hung toilets. One of their most popular models is the Toto Neorest, which comes with an integrated bidet and a heated seat. Another model worth mentioning is the Toto Aquia, which is a dual-flush toilet that allows you to choose between a full or partial flush.

Toto tankless toilets are known for their efficiency and water-saving capabilities. They use a powerful flushing system that ensures waste is removed with just one flush. Additionally, Toto toilets are designed to be low maintenance and easy to clean.

Kohler Tankless Toilets

Kohler is another well-respected brand that offers a range of tankless toilets. One of their most popular models is the Kohler Veil, which is a wall-mounted toilet that comes with a motion-activated seat and lid. Another model worth mentioning is the Kohler San Souci, which is a compact toilet that is perfect for small bathrooms.

Kohler tankless toilets are known for their sleek design and modern features. They are designed to be easy to install and maintain, and they come with a range of features, such as heated seats, bidets, and touchless flushing.

Additional Features of Modern Tankless Toilets

Modern tankless toilets have come a long way since their inception. They now come with additional features that make them more convenient, comfortable, and efficient. Here are some of the additional features you can find in modern tankless toilets:

Built-in Bidet

Some modern tankless toilets come with a built-in bidet that provides a gentle stream of water for cleaning after use. This feature eliminates the need for toilet paper, which is not only good for the environment but also saves you money in the long run. The built-in bidet also provides a more thorough cleaning than toilet paper, leaving you feeling fresher and cleaner.

Heated Seat

A heated seat is another feature you can find in modern tankless toilets. This feature is perfect for those cold winter mornings when sitting on a cold toilet seat can be uncomfortable. The heated seat provides warmth and comfort, making your bathroom experience more enjoyable.

Nightlight

A nightlight is a convenient feature that comes in handy when you need to use the bathroom in the middle of the night. It provides a soft glow that illuminates the toilet bowl, making it easier to see what you’re doing without turning on the bathroom light and disturbing others.

Motion Sensors

Motion sensors are another feature found in modern tankless toilets. They automatically detect when you’re approaching the toilet and activate the flushing mechanism. This feature is not only convenient but also helps conserve water by ensuring that the toilet is only flushed when needed.

Technological Advancements

Modern tankless toilets also come with technological advancements that make them more efficient and easier to use. For example, some models come with touchless flushing, which eliminates the need to touch the toilet handle, reducing the spread of germs. Other models come with self-cleaning mechanisms that use UV light to kill bacteria and other microorganisms.

FAQ: How do Tankless Toilets Work?

What are the disadvantages of a tankless toilet?

One of the main disadvantages of a tankless toilet is that it requires a high water pressure to function properly. This means that if you have low water pressure in your home, a tankless toilet may not be the best option for you. Additionally, tankless toilets can be more expensive than traditional toilets and may require more maintenance.

Why don’t we use tankless toilets at home?

While tankless toilets are becoming more popular, they are still not as common as traditional toilets. This is because tankless toilets require a higher water pressure to function properly, which may not be available in all homes. Additionally, tankless toilets can be more expensive than traditional toilets and may require more maintenance.

Do tankless toilets flush better?

Tankless toilets are designed to provide a powerful flush, which can be more effective than traditional toilets. However, the effectiveness of the flush will depend on the water pressure in your home and the design of the toilet.

How does a tankless toilet work?

A tankless toilet uses a high-pressure water supply to flush waste down the drain. When you press the flush button, water is released from the supply line and directed into the bowl. This creates a powerful flush that is capable of clearing waste from the bowl.

Can I install a tankless toilet at home?

If you have high water pressure in your home, you may be able to install a tankless toilet. However, it is important to note that tankless toilets can be more expensive than traditional toilets and may require more maintenance.

What are the pros and cons of a tankless toilet?

Pros:
– Powerful flush
– Saves water
– Takes up less space
– Modern design

Cons:
– Requires high water pressure
– It can be more expensive
– It may require more maintenance

Rosa Peterson

Rose is the writer and creator of Better That Home, a blog about home design and decor. Rose has been designing spaces for over 10 years and writing home design and decor for big publishers. She has been inspired by many other creatives from around the world and loves to share those inspirations with her readers. Read more about Rose here