The short answer: For our gas fire pits, always use either a 19kg propane, or 47kg propane bottle. Both will work perfectly in all conditions.
Keep reading for the longer answer!
There are many types and sizes of LPG bottles available. It’s important you use the correct bottle with your burner. Why? Because each size of bottle has a maximum sustained flow rate of gas, measured in kilowatts. The larger the bottle, the greater volume of gas it can provide per hour.
The key to reliable warmth from your gas fire pit is to use a bottle with a sufficient flow rate, known as “off-take rate” in the gas world.
Recommended LPG Propane Bottles
The following LPG bottle sizes will work perfectly with an 18kW gas fire pit
Unsuitable LPG Bottles
The following LPG bottles, including all butane bottles, will not work with an 18kW gas fire pit.