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Here’s the Right Way to Purge a Propane Tank

If you are like most individuals, you almost certainly don’t think much of your propane tank until it is time to drag your grill into the backyard for a bit of cooking.

propane gas tank

But in case you use it to power your property, RV, utilities or generator, or depend on propane for primary or backup heating, it is vital to know how one can properly clean your tanks.

Purging a brand recent tank is the one strategy to make sure that the tank stays freed from contaminants that may hinder operation or cause tank degradation and failure. No final result is nice and everybody might be dangerous!

Fortunately, cleansing is definitely done with the fitting tools and knowledge of the procedure. We will discuss each in this text.

What does it mean to wash a propane tank?

When you hear the term propane tank cleansing, it simply means cleansing the tank of any foreign particles or materials which may be present.

This is completed by flushing the tank with clean propane gas until only clean and uncontaminated propane gas stays inside.

Once this is completed, the propane tank is prepared for normal future use, apart from periodic inspection and maintenance.

Why should the tank be cleaned?

Cleaning your propane tank is critical to proper functioning and longevity. The first time you purchase an unfilled propane tank, fill it with high pressure air.

This air may cause problems if not purified, and even promotes condensation contained in the tank, which may cause the tank to rust and potentially burst.

Even in case your propane tank is brand recent and has never contained propane, it won’t be ready for immediate refilling. You need to wash it first.

What are the implications of not cleansing?

Failure to wash the brand new tank before filling may cause serious performance problems and shorten the lifetime of the tank. Air pollution will cause propane to spray and even stop completely.

This will derail any activity that requires propane and should even damage the equipment it drives.

Condensation contained in the tank, again likely when the air contaminates the propane, will speed up the corrosion process.

This will increase the likelihood of a leak and even catastrophic rupture of the tank, which is a serious safety hazard.

Cleaning a recent, unfilled tank is a compulsory step in preparing it to be used, no exceptions!

Does every propane tank you purchase should be cleaned?

NO. Pre-filled propane tanks have to be emptied prior to buy. But these tanks come at a better price than the worth of the fuel itself, and over time you may save a bundle by buying empty tanks and filling them along with your propane supplier. But, as you could have learned, in case you buy an empty tank, you’ll have to wash it.

Tank cleansing, step-by-step

Purging a propane tank is a process that may easily be done in a matter of minutes once the method is complete and in fact you could have the fitting tools. In this section you’ll learn every part you might want to know.


  • Propane tank full; used to fill a recent tank.
  • Your recent empty tank.
  • cleansing kit; consists of a hose connecting two tanks, a two-way vent valve and a vent nipple.

That’s it. Now is the time to do it. As all the time, do that outdoors in a well-ventilated area away from all possible sources of ignition.


For clarity during these procedures, your recent empty tank will likely be known as the “recent tank” and the propane tank you will likely be drawing from will likely be known as the “donor tank”.

  1. Position the donor tank and the brand new tank side by side by connecting them with a hose.
  2. Set the in-line vent valve to “purge”. It needs to be marked accordingly.
  3. Fully open the brand new tank valve; turn counterclockwise.
  4. Open the bleed port. You should hear gas coming out of the brand new cylinder. Wait until the gas sound stops.
  5. Fully open the valve on the donor tank; turn counterclockwise.
  6. Set the bleed valve to “charge”. It needs to be marked accordingly.
  7. Listen to the sound of gas flowing from one tank to a different. Wait until the gas sound stops.
  8. When the sound of the gas stops, simply repeat steps #2 through #7 4 more times (you may leave the valves on the tanks open). This is the advisable process to remove the overwhelming majority of contaminants from a recent tank and is crucial to make sure that none remain.
  9. Your tank is able to be filled!

Do you really want to repeat the cleansing process several times?

Yes, and you have to not save by doing it right! The means of cleansing a recent propane tank will not be complicated, but you might want to do it thoroughly and appropriately to make sure that the tank is prepared for years of faithful, secure operation.

What in case you don’t desire to wash the tank yourself?

Cleaning your personal propane tank is a breeze with the fitting equipment, but when the entire process just gives you goosebumps, don’t be concerned – you may do it for yourself.

Almost any propane supplier will gladly do the job for you if you buy a recent tank from them and fill it up.

This is an important option in case you just do not feel confident doing it yourself, lack a cleansing kit, or if time is of the essence.

Expect a small operation cost, somewhere between $5 and $10 depending in your location.

This is a service that’s definitely worth the nominal fee to maintain you and your loved ones secure, your tank running and most significantly, stopping accidents.

So there you could have it: every part you might want to find out about cleansing a recent propane tank. It’s not hard, however it’s necessary!

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