This is Why Your Fire Pit Whistles (And One Easy Trick to Fix It)

There’s a simple step you can take to stop your fire pit from whistling at night. It’s easy, cheap, and all it takes is one pair of pliers. This process only works on ceramic logs though so if you have concrete ones then this won’t work for you.

In order to fix the “fire pit flame too high“, make sure the fire is not too close to the ground. If it is, move some of the wood around so that there is more space between the flames and the ground.

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You settle back and prepare to unwind in front of your favourite fire pit, only to be startled with an unpleasant whistling noise that sends your calm state of mind into panic mode. What could it possibly be? Are my days of sitting around a fire pit coming to an end?

What causes the whistling in my fire pit, and what can I do about it? The flex line or the gas supply are the most common causes of a fire pit whistle. Due to the material not being broad enough or kinked in certain spots, flex lines may produce an irritating whistling sound. It’s also possible that the gas supply is too high, resulting in the whistling sound.

Contents Table of Contents


  • Recommendation
  • Keep an eye on your flex line.
  • Problems with Gas Supply
  • Make an appointment with the manufacturer.
  • Conclusion




Stanbroil 1/2" OD x 3/8" ID 24" Non-Whistle...

Midwest Hearth Fireside Whistle-Free Gas Flex Line...

Liquid Propane Onlyfire LP Air Mixture Valve...


Non-Whistle Stanbroil 1/2″ OD x 3/8″ ID 24″

Midwest Hearth Fireside Whistle-Free Gas Flex Line…

Liquid Propane Onlyfire LP Air Mixture Valve…


Get a Quote

Get a Quote

Get a Quote


Stanbroil 1/2" OD x 3/8" ID 24" Non-Whistle...


Non-Whistle Stanbroil 1/2″ OD x 3/8″ ID 24″


Get a Quote


Midwest Hearth Fireside Whistle-Free Gas Flex Line...


Midwest Hearth Fireside Whistle-Free Gas Flex Line…


Get a Quote


Liquid Propane Onlyfire LP Air Mixture Valve...


Liquid Propane Onlyfire LP Air Mixture Valve…


Get a Quote

If you hear a distinct whistling noise when you switch on your gas fire pit, you’ll need to figure out what’s wrong. Fortunately, the repairs are straightforward, although you may want expert assistance to finish the task.

Keep an eye on your flex line.

When it comes to whistling sounds, the flex line is usually always at blame. Flex lines are made of a variety of materials to withstand the strain, but some are better than others when it comes to releasing trapped pressure. 

The whistling noise is most likely caused by built-up pressure in your flex line. As a result, it’s strongly recommended that you always get a whistle-free flex line, and yes, they are correctly titled.

Consider a Flex Line with No Whistles.

Whistle-free flex lines are made with the right materials to prevent pressure buildup in the line, also known as bottlenecking. They make certain that the pressure is evenly distributed throughout the line.

The Midwest Hearth Whistle Free Flex Line is an excellent alternative if you’re concerned about not having a whistle free flex line. The following are some of the advantages of this flex line:


  • For fire pits, CSA-approved flexible piping is available.
  • There’s also a multi-pattern corrugation, which prevents pressure from building up and causing vibrations and whistles.
  • To guarantee durability, stability, and lifespan, it is built of black coated stainless steel. If you want to learn more about how to maintain stainless steel clean, go here.
  • It’s simple to set up, even for individuals who aren’t familiar with machinery and equipment.

With this easy modification, you can assure that your fire pit will no longer emit unpleasant whistling sounds. It’s a fast and easy remedy that should only take a few minutes to do, and you’ll be able to use your fire pit again in no time.

Check the Flex Line for Kinks

Kinks and bends in the flex line are another common source of whistling in the flex line. These kinks and bends cause ‘bottlenecking’ at particular spots, which means that pressure is concentrated in one spot. This causes a lot of vibration, which sounds like a whistling noise. 

Take a close check at the flex line to be sure a kink isn’t the source of your whistling. From start to completion, your flex line should be smooth and straight. If you find any bends or kinks, particularly those at a 90-degree angle, straighten them out right away.

If your flex line must curve at any point, you should use hard piping or specialist fittings to assist the flex line manage the bends without bottlenecking. 

Select a Flex Line with a Larger Diameter.

Whistling may also be caused by a flex line that is overly thin and narrow. Pressure has less space to pass via a flex line with a smaller diameter. This might generate a buildup in the line, resulting in the whistling sound.

If you believe you have a flex line that is just too tiny for the load, you should replace it right away. Your new flex line should have a larger diameter to guarantee that there is no pressure buildup from start to finish. 

For a larger diameter, the Stanbroil 12″ X 24″ Non-Whistle Flexible Flex Line is a perfect option. This flex line not only provides flexibility and endurance, but it also features a staggered pitch to prevent whistling sounds. Simply stated, it’s the all-in-one flex line constructed of stainless steel, which means it’ll last a lifetime with your fire pit. 

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Problems with Gas Supply

If you’ve completely inspected your flex line and are still experiencing a whistling sound, you may need to check your gas supply. 

It’s possible that you’re hearing whistling sounds that aren’t related to flex line issues because your gas supply pressure is too high. Look at the chart below to discover what pressure you should use for your gas:

Gas Species Water Column Pressure
Natural Gas is a kind of fuel that is used In the range of 3.5″ to 7″
Propane Approximately 8″ to 11″ 

*W.C., or Water Column, is a unit of measurement similar to PSI.

*It’s best to be on the upper side of these measures for a more powerful blaze in your fire pit. 

Always seek professional assistance if you are unsure how to check your gas pressure. Dealing with gas pressure involves a lot of various factors, so if you’re not sure what you’re doing, don’t touch it.

Involve a Professional

When everything else fails and you’re confident your gas supply is excessive, you should seek expert help. They’ll be able to come in and evaluate how much gas pressure you’ll need, and they’ll be able to lower it right away if necessary. 

Make sure you talk with the expert both before and after the procedure. Inform them that your fire pit is whistling and that you’re very convinced it’s due to an excessively high gas pressure supply.

Check your fire pit often while you’re looking for a greater gas supply pressure. Before testing the fire pit, wait until the expert says it’s safe to do so. Carry on until your fire pit is no longer creating the whistling sounds.

Make an appointment with the manufacturer.

Are you still experiencing issues? It might be an issue with the whole product. Give the manufacturer a call if you’re still having problems after examining and replacing out the flex line and dealing with the gas pressure supply. They may be able to assist you remedy the problem or even provide you with a new fire pit.

Faulty equipment is a common blunder made by all businesses. When you call, be sure to tell them you’ve exhausted all other options for resolving the whistling issue. This will provide them with a report that will allow them to correct the problem and guarantee that future fire pits do not have the same issue.


It’s fairly unusual for a gas fire pit to make a whistling noise, and it’s nothing to be concerned about. There are a few basic fixes that will quickly repair your fire pit. Make sure there are no bends or kinks in your flex line, particularly at a 90-degree angle. 

Make sure the flex line has a large enough diameter to allow for appropriate flow and isn’t built to whistle. Check your gas supply pressure to make sure it isn’t too high, and if it is, call a professional to lower it to a safe level. Check out our post on how long fire pits survive and other tips for keeping them in good working order!


The “little red campfire hissing” is a common problem that many people encounter with their fire pits. There are easy steps to fix the issue, and it doesn’t require much effort.

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