Propane Tank Making Hissing Noise (Solved)

Propane gas is a very common source of energy that has many-sided uses. But the usual complaint about this useful gas is the noise.

Hearing an odd noise, particularly a hissing sound is usually an indication of a problem. So we recommend you act swiftly when you hear this noise for the safety and life span of your equipment. 

Some of the easiest ways to fix the hissing noise in your propane tank are; to test for gas leakages, inspect the bleeder valve and inspect the valve relief cap.

In this article, we will discuss this in detail and a few other methods to help you fix the hissing noise from your propane tank.

How to Fix Propane Tank Making Hissing Noise

Inspect the Bleeder Valve

If you have just received a propane delivery recently, then an open bleeder or the fixed liquid gauge could the culprit behind the hissing noise. Sometimes, the delivery technicians open the valves in the course of refilling the propane tank and in most cases forget to close the valves completely when they are done with the refilling process.

Turn down the bleeder valve in a clockwise direction till it is totally closed and you can no more turn it.

Inspect the Relief Valve Cap

If your propane tank is hissing on a hot sunny day, then you need to inspect and find out if the relief valve is open, if that is the case then it is doing what it has been made to do on hot days. The relief valve slightly releases the pressure built up by the propane that swells up when exposed to heat.

Over time the cap may blow off due to pressure. It is a safety component that is fitted in there to safeguard the propane from rapture and explosions which may be induced by the expanding gas.

However, if you notice the cap is open, ensure not to look into the relief valve or tap on it with anything. This may cause the valve to open up completely and release more pressure than required.

You can cool down the tank by spraying water from a garden across the surface of your propane tank. This will help close the relief valve. However, if the hissing noise persists after doing this, is likely you have a propane leak.

Test for Gas Leakage

Hissing noise from your propane tank can be a sign of gas leakage. In case you smell gas, quickly from the area and contact Lakes gas. But if you don’t smell and have tried all the above approaches and still hear the hissing noise. Then you need to look out for small leaks.

You can do this by spraying a solution of dish soap and water on the gauge or other places on the tank where you suspect a leak.If see bubbles emanating from your tank then you have a leak, the bigger the bubbles the larger the leak. If you find a leak in your tank, contact Lakes gas and arrange for repairs.

Make Use of Your Senses

Anytime you hear a hissing noise, you need to tune up the sense of smell too. In case you smell gas and you have examined and the situation is safe, quickly turn the tank valve in a clockwise direction towards the off position. However, if you are not able to turn it off, evacuate from the area immediately and contact the local fire service department. In both instances, you need a qualified technician to look out for the leaks in your tank.

Snuff Out All Flames

When you realize there is a gas leak, you should try as much as possible to put everything flame immediately. This is very necessary because propane gas is extremely flammable and can take up any little flame around leading to explosion and the risk of fire.

Even though you may seeking help it is very essential to make sure there is no flame around. You should also switch off your phone as it causes a spark that may potentially lead to a fire.

Evacuate from the Area

If you realize the gas is widely circulated in the building, the best course of action is to move out of the building immediately. Since propane is highly flammable it makes it extremely hard for you to breathe if you stay in the building for long. These are possible safety hazards you will experience if you stay in the building for an extended period of time.

Also Read:

How to fix high-pitched whining noise in a faucet

Get a Professional to Inspect Your Propane Tank 

If you have tried all the above approaches and the hissing noise still persists, you need to schedule your propane tank inspection by a professional. The professional will help you figure out the cause of the problem and fix it so it won’t happen again. To prevent the occurrence of leaks in the first place. We recommend you schedule a regular inspection exercise for your propane gas tank so you and your family can stay safe. 

FAQ

How Do I Fix Hissing Noise from My Propane Tank?

Simply turn down the bleeder valve in a clockwise direction, this will stop the flow of gas and get rid of the hissing noise. An open relief valve helps to release pressure in your propane and it is an important feature of every propane tank or cylinder. 

It is Normal to Hear Noise from My Propane Tank?

Normally propane tanks last longer than oil or electrical sources of energy. But a long period of usage and wearing out of the propane tank may induce noise. However, is likely the noise is emanating from the propane tank itself or the gas pipelines connected to it.

Why Does My Propane Tank Make High-Pitched Noise?

Usually, a pocket of air may get trapped within the hose. When this happens the propane rushes all over the bubble and induces loud humming noise. Even though the bubble is not dangerous the humming noise can be very audible and annoying. 

Should I Smell All Over My Tank?

If smell a stinking odor or hear a hissing noise emanating from your tank, then it’s possible there is a leak. If this is the case you need to inspect for leaks to help reduce the risk of explosions or fire. You can also contact your local fire department and evacuate the building.

How Do I Tell If My Propane Tank has a Leak?

Inspecting your propane tank for leaks is simple, put soapy water solution on the spot the propane tank cylinder valve and the regulator outlet are attached. Then open the cylinder valve slowly. Bubbles will form around the spot and that’s an indication of a leak.

Conclusion

Even though propane is relatively a safe gas, you need to take precautions in unsafe conditions especially when you hear hissing coming from your tank. The above solutions will help you fix the hissing noise issue in your tank. As safety is of utmost importance when dealing with your propane tank. 

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