How to Bleed Air From Water Pipes

Nothing ruins a good shower quite like a cacophony of air bubbles flowing from the pipes and splashing against your skin. You stand there perplexed, trying desperately to figure out how to get the air out so you can enjoy a relaxing, bubble-free shower. But have no fear – bleeding air from water pipes is a simple process that just takes a few basic tools and some patience.

How to Bleed Air From Water Pipes

In this post, I’ll walk you through the easy steps on how to bleed air from water pipes so you can say goodbye to bubbles and hello to smooth, consistent water pressure. We’ll cover everything from identifying the air pockets to using a bleed valve or bleed screw to release the trapped gases. By the time you finish reading, you’ll be well on your way to blissfully bubble-free bathing.

Supplies You Will Need to Bleed Air From Water Pipes

  1. A pair of pliers or an adjustable wrench
  2. A towel to catch any water that may spray out
  3. A bucket or basin to collect water draining from the pipes
  4. A helper (optional) to turn off and on the water supply

Step-by-step Guidelines on How to Bleed Air From Water Pipes

Step 1: Identify the Air Pockets

The first step in bleeding air from water pipes is to identify where the air pockets are located. This will help you determine which pipes need to be bled and how much air needs to be released. Common signs of trapped air include sputtering or spitting water, fluctuating water pressure, and a gurgling sound coming from the pipes.

Step 2: Turn Off the Water Supply

Prevent Any Unexpected Bursts of Water

Before you begin bleeding the air, it’s important to turn off the main water supply to your home. This will prevent any unexpected bursts of water or potential damage to your plumbing system.

You may also want to turn off the water heater to prevent any damage to the heating element. Turning off the water supply will also allow you to work undisturbed without any running water.

Step 3: Locate the Bleed Valve or Bleed Screw

Next, you’ll need to locate the bleed valve or bleed screw on your plumbing system. This is typically a small brass or plastic fitting with a flat head that can be turned with a wrench or pliers. The bleed valve is usually located near the top of your pipes, while the bleed screw is often found at the base. If you’re having trouble finding it, consult your plumbing system manual.

Step 4: Place a Towel and Bucket Underneath

Once you’ve located the bleed valve or screw, place a towel or cloth underneath to catch any water that may spray out. You can also place a bucket or basin underneath to collect any water that drains from the pipes. Placing a towel or cloth will help prevent any water damage to your floors and make for easier cleanup.

Step 5: Open the Bleed Valve or Screw

Using your pliers or wrench, turn the bleed valve or screw counterclockwise to open it. This will release any trapped air in the pipes and allow water to flow freely again. You may hear a hissing sound as the air is released, and water may spray out. This is normal and will subside once all the air has been bled from the pipes.

Step 6: Close the Bleed Valve or Screw

Once you no longer hear any hissing sounds, turn the bleed valve or screw clockwise to close it. Be sure not to over-tighten as this can damage the valve or screw. If you have a helper, they can turn the main water supply back on while you are closing the bleed valve or screw. When the water is running smoothly and there are no more air bubbles, you’ve successfully bled the air from your pipes!

Step 7: Repeat if Necessary

Air Pockets in Your Plumbing System

If you have multiple air pockets in your plumbing system, you may need to repeat this process for each one. Simply turn off the main water supply, locate the next bleed valve or screw, and follow steps 4-6. Repeat until all air pockets have been bled and water is flowing smoothly throughout your pipes. Make sure to turn the main water supply back on once you’re finished.

Following these simple steps will help you successfully bleed air from your water pipes and say goodbye to disruptive bubbles and inconsistent water pressure. Be sure to check your plumbing system periodically for any signs of trapped air, especially after a new installation or repair.

And remember, if at any point you feel uncomfortable or unsure about the process, don’t hesitate to call a professional plumber for assistance. Happy plumbing! 

Additional Tips and Tricks to Bleed Air From Water Pipes

1. If you are having difficulty locating the air vent valve, try checking near your boiler, radiator, or water heater. These are common places where the air vent valve might be located.

2. If you have a newer home with a pressurized plumbing system, bleeding may not be necessary as air can naturally escape through expansion tanks and pressure relief valves.

3. It is recommended to only bleed one radiator at a time to avoid losing too much pressure in your plumbing system.

4. Once you have successfully bled the air from your water pipes, it is important to check for any leaks or drips from the valves and make sure they are closed tightly.

5. If you are unable to remove all of the air from your pipes, try turning off the water supply and opening all of the faucets in your home to release any remaining air.

6. It is also helpful to have a bucket or towel handy when bleeding air from your pipes, as there may be some water that comes out along with the air.

7. Check for any signs of air bubbles in your water after bleeding the pipes, as this could indicate that there is a larger issue with your plumbing system that may require professional assistance.

8. Regularly bleeding air from your water pipes can help prevent future issues with low water pressure and ensure the proper functioning of your plumbing system.

9. If you are unsure about how to properly bleed air from your water pipes, it is always best to consult a professional plumber for assistance.

10. Remember to always exercise caution when handling valves and pipes, as they can become hot or slippery during the bleeding process. It is recommended to wear gloves and use a tool such as pliers if needed. 

Exercise Caution When Handling Valves and Pipes

Following these additional tips and tricks can make the process of bleeding air from your water pipes easier and more effective. By regularly maintaining your plumbing system, you can ensure a steady flow of water throughout your home and avoid potential issues in the future.

Remember to always consult a professional if you are unsure about any steps in the process or encounter any difficulties. Taking proper care of your plumbing system can save you time, money, and headaches in the long run. Happy bleeding! 

Frequently Asked Questions

What is the Purpose of Bleeding Air From Water Pipes?

Bleeding air from water pipes serves two main purposes: improving water pressure and preventing damage to your plumbing system. When there is air trapped in your pipes, it can cause blockages and reduce the flow of water, leading to low water pressure.

Additionally, air in your pipes can cause damage by putting unnecessary strain on your plumbing fixtures, potentially leading to leaks or bursts. Bleeding air from your water pipes helps prevent these issues and keeps your plumbing system running smoothly.

How Do You Know If Your Water Pipes Need to Be Bled?

There are a few signs that may indicate that you need to bleed air from your water pipes. Low water pressure is a big red flag, as well as sputtering or spurting water from your taps and fixtures.

You may also hear loud banging or knocking noises coming from your pipes, which can be caused by air bubbles moving through the system. If you notice any of these signs, it’s best to check for trapped air in your pipes and bleed them if necessary.

Can You Bleed Air From Water Pipes Yourself?

Yes, you can bleed air from water pipes yourself with the proper tools and knowledge. It is a relatively simple task that can be done without hiring a professional plumber. However, if you are not comfortable or familiar with plumbing tasks, it is always best to consult with a professional for assistance.

How Often Should You Bleed Air From Water Pipes?

The frequency at which you should bleed air from water pipes depends on your specific plumbing system. If you have recently experienced low water pressure or noticed sputtering or banging noises, it’s best to check for trapped air and bleed the pipes if needed.

Low Water Pressure or Noticed Sputtering

Some experts recommend bleeding the pipes once a year as part of regular maintenance, while others suggest doing it every few months. If you are unsure, it’s always best to consult with a professional for advice on your specific plumbing system.

Conclusion

Now you know how to bleed air from water pipes and why it is an important task for maintaining your plumbing system. By regularly checking for trapped air and bleeding the pipes when needed, you can prevent low water pressure and potential damage to your plumbing fixtures.

Remember to always follow proper safety precautions and consult with a professional if you are unsure about any plumbing tasks. With these tips in mind, you can keep your water flowing smoothly and your plumbing system in top condition.  So, if you notice any signs of trapped air, don’t hesitate to bleed your water pipes and keep your home’s plumbing running smoothly!  Happy bleeding! 

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Jennifer Branett

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