How Long Does a Propane Tank Last on a Fire Pit? Show The average gas fire pit will last from 3 to 6 hours on a 20 lb. propane tank. Depending on your fire pit BTU rating a tank can last you as long as 9 hours, or as little as 1-1/2 hours. A 20 pound propane tank contains approximately 430,000 BTU’s. To determine how long the tank will last with your fire pit divide 430,000 by the BTU rating of your fire pit. How long does a propane tank last for a fire pit is a question we’re asked often. Below we have a table where you can determine how long your gas fire pit will last on a 20 pound propane tank. The times in the table below are an approximation, the actual time you get from your propane tank will be greatly affected by how high you set your flame. The BTU ratings below can be significantly reduced by keeping the flame low and enabling you to get more usage time from your tank. Wind will also affect how long your propane tank lasts. Windy days usually require a higher flame setting to keep it burning nicely. H-Burner Drop-In Pans18” x 6” Drop In Pan 70K BTU 6 hours 24” x 8” Drop In Pan 90K BTU 4.5 hours 30” x 10” Drop In Pan 125K BTU 3.5 hours 36” x 12” Drop In Pan 165K BTU 2.5 hours Linear Burner Drop-In Pans30” x 6” Drop In Pan 54K BTU 8 hours 36” x 6” Drop In Pan 65K BTU 6.5 hours 48” x 6” Drop In Pan 91K BTU 5 hours Round Drop-In Pans13” Round Drop In Pan 48K BTU 9 hours 19” Round Drop In Pan 92K BTU 4.5 hours Round Burner Rings6” Round Burner Ring 48K BTU 9 hours 12” Round Burner Ring 92 K BTU 4.5 hours 18” Round Burner Ring 147 K BTU 3 hours 24” Round Burner Ring 294 K BTU 1.5 hours H-Burners18” x 6” H-Burner 75K BTU 6 hours 24” x 8” H-Burner 125K BTU 3.5 hours CSA Certified Burner Kits10” Square CSA Burner Kit 37K BTU 11.5 hours 12” Round CSA Burner Kit 37K BTU 11.5 hours 18” Square CSA Burner Kit 55K BTU 7.75 hours 18” x 6” CSA Burner Kit 65K BTU 6.5 hours 19” Round CSA Burner Kit 55K BTU 7.75 hours 24” x 8” CSA Burner Kit 65K BTU 6.5 hours 30” x 6” CSA Burner Kit 55K BTU 7.75 hours 30” x 10” CSA Burner Kit 65K BTU 6.5 hours 36” x 6” CSA Burner Kit 65K BTU 6.5 hours 36” x 12” CSA Burner Kit 65K BTU 6.5 hours 48” x 6” CSA Burner Kit 145K BTU 3 hours How do I get more time from a tank of propane?The obvious answer is to turn the gas down lower. While this isn’t the answer you wanted we do have something to offer which will help you to burn less propane. By adding a glass wind guard you’ll be able to burn less propane and still have an enjoyable flame. This is because the wind guard (also called flame guard) will protect the flame from the wind which will enable more of the propane to burn. In windy conditions, without a flame guard, the flame is blown back and forth across the table. This constant blowing of the flame results in a significant amount of gas not being burned. By protecting your flame from the wind you’ll burn 100% of the propane resulting in more burn time from a tank of propane. How long will a 1 lb propane tank burn?A standard 1-lb propane tank will typically provide approximately 1½ hours of cooking time on high heat.
How long does a propane fire pit tank last?The average gas fire pit will last from 3 to 6 hours on a 20 lb. propane tank. Depending on your fire pit BTU rating a tank can last you as long as 9 hours, or as little as 1-1/2 hours. A 20 pound propane tank contains approximately 430,000 BTU's.
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