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How To Get Air Lock Out Of Hot Tub How To Get Air Lock Out Of Hot Tub

Pool & Spa Care

How To Get Air Lock Out Of Hot Tub

Written by: James Anderson

Learn how to remove air lock from your hot tub with our expert pool and spa care tips. Get your hot tub running smoothly again with our step-by-step guide.

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Welcome to the wonderful world of hot tubs, where relaxation and rejuvenation await. However, even the most well-maintained hot tubs can encounter issues, and one common problem is the dreaded air lock. If you’ve ever turned on your hot tub only to find that the jets are sputtering or not functioning at all, you may be dealing with an air lock. But fear not! In this comprehensive guide, we’ll delve into the causes of air lock in hot tubs and explore effective methods to banish it for good. By the end of this article, you’ll be equipped with the knowledge and confidence to tackle air lock issues, ensuring that your hot tub remains a blissful oasis of relaxation.

Key Takeaways:

  • Say goodbye to air lock in your hot tub by bleeding the air manually, priming the pump, adjusting water level, or seeking professional help. Enjoy a hassle-free and rejuvenating hot tub experience!
  • Keep your hot tub air lock-free by understanding the causes and implementing proper maintenance. With the right care, you can banish air lock and enjoy uninterrupted relaxation in your hot tub oasis.

Understanding Air Lock in Hot Tubs

Before we delve into the solutions, let’s unravel the mystery of air lock in hot tubs. An air lock occurs when air becomes trapped in the plumbing lines of the hot tub, preventing the water from flowing freely. This can lead to reduced water pressure, malfunctioning jets, and an overall lackluster hot tub experience. Understanding the causes of air lock is crucial to effectively resolving the issue.

One common cause of air lock is improper filling or refilling of the hot tub. When water is added too quickly or at an awkward angle, air can become trapped in the plumbing lines. Additionally, if the hot tub water level falls below the skimmer intake, air may infiltrate the system, leading to an air lock. Furthermore, any disruption to the plumbing lines, such as repairs or maintenance, can introduce air into the system, potentially causing an air lock.

It’s important to note that air lock can also be a symptom of other underlying issues, such as a clogged or malfunctioning pump, filter, or plumbing fittings. By recognizing the signs of air lock and its potential causes, you can take proactive measures to maintain your hot tub in optimal condition.

Methods to Remove Air Lock from Hot Tub

Now that we’ve demystified the concept of air lock, let’s explore effective methods to release the trapped air and restore your hot tub to its full splendor.

1. Bleed the Air Manually

One of the simplest methods to remove air lock is to manually bleed the air from the system. Start by turning off the hot tub and locating the bleeder valve on the pump or near the equipment. Using a screwdriver or wrench, carefully open the valve to release any trapped air. You may hear a hissing sound as the air escapes. Once water starts flowing steadily from the valve, close it tightly. This process may need to be repeated for each affected area of the plumbing system, such as the pump, filter, or heater.

2. Priming the Pump

If the air lock is specifically affecting the pump, priming the pump can help dislodge the trapped air. Begin by turning off the hot tub and locating the pump lid. Remove the lid and fill the pump housing with water using a hose or bucket. This action helps to push the air out of the system. Once the pump housing is filled, replace the lid securely and restart the hot tub. Monitor the pump to ensure that it primes correctly and the water flows smoothly.

3. Adjusting Water Level

Ensuring that the hot tub water level is at the appropriate height is essential for preventing air lock. If the water level is too low, the skimmer intake can draw in air, potentially causing an air lock. By maintaining the water level at the recommended height, you can minimize the risk of air entering the plumbing lines and disrupting the system.

4. Seeking Professional Assistance

If the above methods do not resolve the air lock issue, or if you are unsure about performing the troubleshooting steps yourself, it’s advisable to seek the expertise of a professional hot tub technician. These professionals have the knowledge and specialized tools to diagnose and rectify complex air lock issues, ensuring that your hot tub operates at its best.

By employing these methods, you can effectively remove air lock from your hot tub and restore its optimal functionality, allowing you to once again indulge in the soothing embrace of bubbling water and rejuvenating hydrotherapy.


As hot tub enthusiasts, encountering an air lock can certainly put a damper on the relaxing experience. However, armed with the knowledge gained from this guide, you are now well-equipped to tackle air lock issues with confidence and precision. By understanding the causes of air lock and implementing the appropriate methods to release trapped air, you can ensure that your hot tub operates smoothly and efficiently.

Remember, regular maintenance and attentive care are key to preventing air lock and other potential issues in your hot tub. By adhering to proper filling procedures, maintaining the correct water level, and promptly addressing any signs of air lock, you can safeguard your hot tub against this common nuisance.

Should you encounter persistent air lock problems or require professional assistance, don’t hesitate to reach out to experienced hot tub technicians who can provide expert diagnosis and resolution of complex air lock issues.

With the insights gained from this guide, you can confidently bid adieu to air lock woes and revel in the uninterrupted pleasure of your hot tub oasis. So go ahead, immerse yourself in the soothing warmth, let the bubbling jets melt away your stress, and relish the therapeutic embrace of your revitalized hot tub.

Frequently Asked Questions about How To Get Air Lock Out Of Hot Tub

What causes air lock in a hot tub?

Air lock in a hot tub can be caused by air getting trapped in the plumbing system, preventing water from flowing properly. This can happen when the water level is too low, or when the tub is not properly primed.
How can I tell if my hot tub has an air lock?

You may notice that the jets are not working properly, or that there is a gurgling or bubbling sound coming from the plumbing. If you suspect an air lock, you can try turning the pump on and off to see if that helps release the trapped air.
What can I do to get rid of air lock in my hot tub?

To get rid of air lock in your hot tub, you can try turning the pump on and off a few times to see if that helps release the trapped air. If that doesn’t work, you may need to manually release the air by loosening the fittings on the plumbing system.
Can I prevent air lock from happening in the future?

Yes, you can prevent air lock from happening by making sure that the water level in your hot tub is always at the proper level, and by properly priming the tub when you first fill it. Regular maintenance and care of your hot tub can also help prevent air lock from occurring.
Is it safe to use my hot tub if it has an air lock?

It is not recommended to use your hot tub if it has an air lock, as this can put strain on the pump and other components of the system. It’s best to address the air lock issue before using the hot tub to ensure that everything is working properly and safely.

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