How do I get rid of an airlock in my pipes?

Author: Benny Kunze  |  Last update: Friday, May 29, 2026

Remove air from your pipes in five easy steps:
  1. Turn Off Your Main Water Supply Valve. ...
  2. Open all the faucets in your house. ...
  3. Wait for All Faucets to Run Dry and Flush Toilets. ...
  4. Turn the Main Water Supply Back On. ...
  5. Turn All Faucets Off Again in the Correct Order.

Will an airlock eventually clear itself?

Will an Airlock Eventually Clear Itself? Sometimes, small airlocks may clear themselves as water circulation continues with one or more radiators. However, larger airlocks often require manual intervention, like bleeding the radiators or using a hose to release the trapped air.

How to remove an air lock in water pipes?

Just use a hose/tap connector on each end of a short length of hosepipe. Open the tap on the airlocked tap then open the tap on the mains water. The mains water pressure should push the airlock away.

How do you get trapped air out of water pipes?

Air rises. Open all the faucets, hot and cold lines. Start low and work high. Once you have a steady stream of water, close the faucets. Hopefully, all the air will escape. There may be some residual air that should get removed over time.

Will air in water pipes go away on its own?

If your well can't get enough water supply due to drought, the pump system will suck in air as it functions. The trapped air will make its way into your piping and faucets. The problem will persist for as long as the drought continues.

How to Deal with an Airlock

How do you clear an airlock in a drain pipe?

Use a Plunger : This is one of the simplest and most effective ways to remove an air lock. Fill the sink or toilet with water, place the plunger over the drain, and push down and pull up several times. This will create suction and dislodge the air lock.

How do you purge air from a pipe?

While the process is simple, it's important to follow the steps below in the exact order.
  • Turn off your main water supply. ...
  • Twist all of your faucets one half turn. ...
  • Wait for the faucets to stop running, then flush all toilets. ...
  • Turn the main water supply back on.

How do you unblock a main pipe?

Your step-by-step guide: How to clear a main sewer line clog
  • Loosen the cap on the drain pipe. ...
  • Allow any sewer buildup to come out of the drain. ...
  • Gently feed the auger cable into the main line drain. ...
  • Run the auger until the clog is broken up. ...
  • Hose out leftover debris. ...
  • Pull the auger cable back out of the main line drain.

Can you remove airlock?

Make sure you achieve a good seal to prevent pressure from escaping. Turn on the hot water for a few seconds, then the cold water, and keep both on for about a minute. Now, turn off the cold water then the hot water tap. Water will fill up inside the hose and pressure should build up to break the airlock.

Why do I keep getting air locks in my water pipes?

The most common causes include: Poor installation of pipes: If your pipes are not installed correctly, air can become trapped inside them, leading to an airlock. Leaks in pipes: If there is a leak in your plumbing system, air can enter and become trapped inside the pipes.

How to clear blocked water pipes at home?

How to Clean Your House Water Pipeline: A Simple and Effective Guide
  1. i. Turn Off the Water Supply. ...
  2. ii. Drain the Water. ...
  3. i. Remove Faucet Aerators and Showerheads. ...
  4. ii. Flushing the Pipes. ...
  5. i. Use a Disinfecting Solution. ...
  6. ii. Allow the Solution to Sit. ...
  7. i. Flush the Pipes. ...
  8. ii. Reinstall Faucet Aerators and Showerheads.

How long does it take to get air out of pipes?

While these sounds can be scary and seem like serious issues, the cause is usually quite benign. Most often, a loud sound coming from your pipes is caused by trapped air. By turning off your main water supply and running all faucets for 10-15 minutes, you force any trapped air through your water pipes.

What is the solution for airlock?

To manually remove an airlock, disconnect the discharge hose and let the pump run until water flows steadily. Reconnect the hose and ensure all connections are tight. You may also need to open valves to release trapped air.

Can an airlock burst a pipe?

Over time, this increased stress can cause wear and tear on the plumbing components, ultimately resulting in leaks or even burst pipes. Moreover, airlocks increase the risk of leaks or burst pipes due to the pressure imbalances they create within the plumbing system.

What's the best thing to unblock pipes?

#1: Use baking soda and vinegar

Let it sit for an hour or more (or overnight if you suspect the blockage is really bad) and then flush with hot water. In theory, the blockage should be gone but repeat the process if you experience further problems.

How do you unclog a main pipe?

Pour half a cup of baking soda down the drain, followed by half a cup of vinegar. Let it sit for a few minutes, then flush it with boiling water. Avoid Chemical Drain Cleaners: While it might be tempting to use chemical drain cleaners, they can be harsh on pipes and may not be effective for severe clogs.

How do you remove trapped air from a pipe?

Use a Drain Pump: A drain pump extracts both air and water from the system to clear the pipes. Open and Close Valves: Sequentially opening and closing valves at different points can help purge air from the system. Employ a Filling Device: A filling device pumps fluid into the system, helping to expel trapped air.

Should faucets be open when turning water back on?

When turning the water back on to your house, you must be careful not to let air and water rush back into the pipes too quickly. You should turn the water back on slowly. Open one or two faucets before turning the water back on, then incrementally restore water until you see it freely flowing out of the open fixture.

How to release air in water pipes?

Remove air from your pipes in five easy steps:
  1. Turn Off Your Main Water Supply Valve. ...
  2. Open all the faucets in your house. ...
  3. Wait for All Faucets to Run Dry and Flush Toilets. ...
  4. Turn the Main Water Supply Back On. ...
  5. Turn All Faucets Off Again in the Correct Order.

What is the best way to clear an airlock?

  1. Turn off the mains water supply. ...
  2. Turn on all taps to drain the water supply. ...
  3. Flush toilets until there is no water left. ...
  4. Turn off taps completely, then turn them on slightly to allow a small amount of water flow. ...
  5. Turn the water supply back on. ...
  6. Turn taps until they're half open. ...
  7. Turn taps on full to push any remaining air out.

What causes air lock in drain pipes?

An air lock is a pocket of air that gets trapped in a drainline. This is usually caused by a blocked vent pipe. This causes the air to get trapped in the pipe, causing an air lock that can restrict water flow and cause other plumbing problems.

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