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Tankless Toilets: Everything You Need to Know

Indigo Home and Facility Services - (512) 608-4999. Learn about tankless toilets, their advantages and disadvantages, installation tips, and more. Save water, space, and money with tankless toilets.

Tankless toilets are becoming increasingly popular in modern homes, but what exactly are they, and how do they work? Tankless toilets are a modern and efficient alternative to traditional toilets. They eliminate the need for a storage tank and save water, space, and money over time. Here, we’ll explore all the details about tankless toilets, including their advantages and disadvantages, installation tips, and more.

How Do Tankless Toilets Work?


Tankless toilets are a newer innovation in bathroom technology, providing a water-saving alternative to traditional toilets. Unlike traditional toilets, tankless toilets do not require a large tank for water storage. Instead, they use a built-in pump system to provide a steady stream of water directly from the main water line. This system allows for water-efficient flushing while eliminating the need to wait for the tank to fill up before flushing again. The tankless toilet operates with a single flush button and adjustable flushing pressure control to ensure you receive the right amount of water each time.

Tankless Toilet Pros and Cons

You should consider the pros and cons of tankless toilets before installing one. Here are some of the advantages and disadvantages of tankless toilets:


  • Tankless toilets require significantly less water than traditional toilets, which can help to save money on your water bill.
  • These toilets are much more efficient because they only use the water necessary, allowing you to conserve resources and be more environmentally conscious.
  • Tankless toilets can be suitable for small spaces, as they take up significantly less space than traditional toilets.
  • Tankless toilets are also hygienic, as they do not require a large tank to store water, meaning there's no risk of bacteria or other contaminants growing in the tank.



  • The initial cost of tankless toilets is higher than traditional toilets due to the need for specialized parts and labor costs associated with installation.
  • Tankless toilets tend to be noisier than traditional toilets, as the water pressure may cause louder gurgling and flushing sounds.
  • If your tankless toilet has an electric pump and you lose power, you will not be able to flush it.

Tankless Toilet Plumbing Considerations

There are a few things to consider when it comes to tankless toilet installation. The most significant factor is the pressure and flow rate of your home's water supply. Tankless toilets require high-pressure water to function correctly. If you do not have adequate water pressure, the toilet may not flush correctly or at all. In addition, a drain must be located within four feet of the toilet to make the necessary connections. Finally, it is important to remember that tankless toilets require their own dedicated water line and must be vented through the roof or sidewall.

Tankless Toilet Installation Tips

With these simple tips, you can make the process easier and ensure that your toilet works properly for years to come. Here are some key suggestions to keep in mind when installing a tankless toilet:

  • Use the right toilet size for the space: Make sure you measure the space for the toilet before purchasing a tankless model. Ensure that the toilet you choose will fit comfortably in the area you plan to install it.
  • Consider the height of the toilet: Most tankless toilets sit lower than traditional models. If you have taller family members or guests, consider a model with a taller height.
  • Connect the water supply: The water supply should be connected to the cold water inlet valve near the bottom of the tankless toilet. Use the correct size pipes and plumber's tape to ensure a secure seal.
  • Use the correct flange: Installing the toilet flange correctly is essential to ensure proper performance. Make sure you measure and cut the flange accurately, so it fits against the floor.
  • Connect the drainage line: After ensuring the flange is installed correctly, connect the drainage line from the toilet to the home's existing waste line. Use flexible tubing when connecting the lines to minimize potential leaks.
  • Test for leaks: Before using your new tankless toilet, check for any potential leaks by running water and flushing.

Call Indigo for Professional Plumbing Services

If you are considering installing a tankless toilet in your home or facility, call Indigo Home & Facility Services. Our experienced Austin plumbers will ensure your tankless toilet is properly installed. They have the knowledge to handle any complex plumbing issues that come up, so you don’t have to worry about leaks and other plumbing issues. Contact us today at (512) 608-4999 to learn more about our tankless toilet installation services.

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