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No idea which gas cylinder is the right one for your gas grill and how to  connect the gas cylinder to get the grates glowing officially? I'll explain to you quickly and concisely how to properly and safely connect the gas cylinder: This guide will make connecting the gas cylinder your easiest task!


1. Connect the gas cylinder

2. The right gas cylinder & storage

Connect gas cylinder

You should definitely find out which gas cylinder matches your device beforehand. Commercial gas grills are generally designed for the use of propane or butane. You can read at the end of the article about the specific differences between these types. Manufacturers usually include the exact specification in the accompanying instruction manual as well.

You can find the right gas bottle at the hardware store, at larger gas stations, in BBQ shops... or you can simply Google a specialist dealer near you.

You’ve already found the right bottle and are itching to get started? Then grab that thing and get to work! Here’s how:

Propane Tank: Open the Protective Cap

Pull the metal clip on the tab out – don't hesitate to use a little force if the clip doesn't come off immediately. Then, with your other hand, you can remove the red protective cap.

Gas Cylinder: Connecting the Pressure Regulator

To properly connect the gas cylinder, make sure that the gas cylinder is turned off (just check this on the regulator). Now unscrew the black protective cap from the valve of the gas cylinder and place the pressure regulator on. Now screw the nut hand-tight counterclockwise onto the valve until the pressure regulator is as tight as possible on the valve.

Caution: Do not use pliers or similar tools for this. It could damage the valve and make it difficult to disconnect the gas cylinder!

Opening the Gas Cylinder

Make sure that the burners of the gas grill are NOT turned on. The gas cylinder should be in a safe location now and should not need to be moved anymore. This could be, for example, outside in a shady spot. For some grills, like our Big FRED, the gas cylinder can also be housed and used in the gas grill cart.

If you dID NOT connect the gas cylinder newly, turn the gas regulator all the way up now.

For a newly connected gas cylinder: Ensure that the gas supply is correctly connected to the grill via the gas hose. To do this, conduct a leak test to check the tightness of the hose and connection. The leak test should be conducted after each new gas cylinder is connected! Here’s how:

Leak Test for Gas: Leak Test

Before grilling, you should check the gas connection. The leak test helps you identify any leaks. Note: Even though you may find some instructions online suggesting conducting the leak test with a match or an open flame, you should NEVER do that!

This is how to test correctly:

1. For the leak test, either use a commercially available leak detection spray  or mix one part dish soap with three parts water to make simple soapy water.

2. Spray or brush all areas where the valve, pressure regulator, or gas hose are connected with the spray or soapy water.

3. Now turn the safety valve of the gas bottle on (little tip: When it comes to gas, this is always the opposite turning direction than usual, so right = on). If everything is sealed, nothing happens and you can start grillingIf there are leaks, small bubbles will appear.

In case of leakage:

4. Turn the valve of the gas bottle back off.

5. Tighten the nut by hand once more and repeat the leak test. If bubbles still appear, close the safety valve of the gas cylinder, disconnect it and visit a specialty dealer.

Watch the video to see how to correctly connect the gas bottle at FRED & EARL!

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The right gas cylinder for the gas grill

Now that you know how to easily connect any gas cylinder, here are a few additional tips to help you find the right gas cylinder for your gas grill and your patio! Because: A gas cylinder is not just a gas cylinder, and it is not the same as a cartridge.

Differences in Gas Cylinders

Maybe you've seen at the hardware store or elsewhere that there are differences with gas cylinders regarding size, gas type, and color:

Red gas cylinders vs. gray gas cylinders

Preliminary: Whether you get a red or a gray gas cylinder – both types are refillable at a specialist dealer. The difference lies in the deposit system. This means that you receive red gas cylinders against a deposit. You can simply return the empty rental cylinder and get your deposit back.

Gray gas cylinders, on the other hand, are "purchase cylinders" and belong to you upon purchase. You can refill them again and again or exchange an empty one for a full gas cylinder of the same caliber at most retailers.

Gas cylinder sizes

Gas cylinders are sold in three sizes: 5, 8, and 11 kilograms. The differences are not only in the filling capacity but also in the diameter and the size of the gas cylinder.

So it depends on how much space you have available for the gas bottle and what the requirement of your gas grill is. As for the performance, it depends on your grilling passion and your gas grill. If you grill almost daily, constantly switching small gas bottles can be quite annoying. If you only grill occasionally, a small bottle might be enough for you at first.

Another aspect is freezing: When gas is drawn, cold is generated at the gas cylinder (simply put). This can lead to the fact that at full load – for example, with a massive gas grill in combination with a 5 kg gas cylinder – your gas cylinder may start to freeze easily.

In itself, this is no reason for concern, but it can affect the performance of your grill. Since this effect occurs more strongly with smaller bottles than with larger ones, this is an argument for the larger 11 kg gas bottle.

Differences between gas cylinders and cartridges

Common 5, 8, or 11 kg gas cylinders have a valve universal thread – also called 7/16" – 28 UNEF thread. It ensures that you can easily screw on, unscrew, and store the gas cylinder without gas escaping.

The bottles are usually filled with propane or butane. Both gases are generally equally suitable for your gas grill. The only advantage that propane has is the boiling point. While butane does not burn at temperatures below freezing, you can theoretically start the gas grill with propane at -42 °C. The question, of course, is whether you feel like grilling in that weather!

In addition, there are cartridges, which are not suitable for most gas grills due to their low capacity. Therefore, gas cartridges are more often used with camping stoves or camping grills, such as our JONES Folding Grill, and are available with various connections:

For example, you can easily connect cartridges with the appropriate attachment, but you have to use them up completely (you cannot simply disconnect the half-empty cartridge from the device, as gas would escape otherwise). Valve cartridges can be mounted and dismounted arbitrarily, but they hardly provide enough power compared to gas bottles to operate larger grills with more than two burners.

Storing gas cylinders

Finally, here are a few tips for the proper storage of gas cylinders!

In general, the following always applies:

  • Store the gas cylinder only in well-ventilated rooms or sheltered outdoors: For example, in a shed, otherwise covered, or in your gas grill – only if explicitly allowed by the manufacturer.
  • Never store full gas cylinders in the basement. Any escaping gas is heavier than air, meaning your basement could "fill up" with gas unnoticed and cause serious problems!
  • Make sure to carefully close the gas cylinder after each grilling and, if necessary, also disconnect it from the gas grill.
  • Remember to perform the leak test when reconnecting the gas cylinder for the first time after a long break.
  • Replace the gas hose and regulator of your gas grill regularly.
  • Never leave the gas cylinder in direct sunlight. The pressure inside increases with rising temperatures!

TIP: With our BURNHARD gas grills, you can easily store the gas bottle in the lower cabinet of the gas grill!

More practical gas grill guides

Jelena Lozo
Jelena LozoPrinzessin Pancetta

Jelena's happy place is the kitchen and grill. Thanks to her Balkan roots, it's always about one thing for her: food! And she loves it good and plentiful. Whether for guests, the perfect dish, or learning new skills, she doesn't mind getting her hands dirty, might even butcher a wild boar or dry beef hearts at home. No wonder she quickly abandons her Kölsch glass for BURNHARD and ventures into the forbidden city!

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