Product Overview“Twice the flame, half the gas. No rust or corrosion, made from 100% brass, and backed with a Full Lifetime Warranty!” Complete your fire pit kit system with this Ultimate Crossfire Bundle: Warming Trends Crossfire CFB Original Brass Burner Bundle. A patented and revolutionary burner that will bring the satisfaction of witnessing taller, brighter, fuller, and more natural flames dancing above your firepit with lesser fuel consumption. Enjoy its unique regulation system while using either propane or natural gas. Available in a range of sizes and BTU ratings, the Crossfire™ burner offers a corrosion-resistant product backed by a full lifetime warranty!Refer to our Burner and Plate Size Guide if you are unsure what burner and plate will fit your firepit.Ultimate Bundle Item Options 1. BURNERThe Original Crossfire Burner offers a great variety of standard sizes, from 60K BTU 7.5x7.5-inch to 450K BTU 46x46-inch2. PLATE OR PANPlates and pans come in square and circular shapes, crafted from high-quality tempered aluminum construction. They have meticulously cut weep holes to allow for proper drainage. These items are available in either 1/8" or 3/16” thickness and include a central opening for gas inlet. The size plate or pan you choose will be determined by your opening.3. FLEX LINE & KEY VALVE KITThere are two Flex Line & Key Valve Kit options. The one you choose is dependent on the BTUs of the burner you chose.FK1 = (For Burners Below 249K BTU)FK2 = (For Burners Above 249K BTU)4. IGNITION TYPE There are 4 main types of ignition systems.1. Match Light Ignition - The simplest and most straightforward fire pit ignition. Simply open the gas valve and light the burner with a lighter or long match. By default, your fire pit will come as a match-light fire pit.2. Push Button Spark Ignition – Similar to firing up a grill. Simply open the gas valve, and push the button ignitor. This ignition is a great option if you want to avoid using a lighter/match.3. Push Button Spark Ignition with Flame Sense - This ignition is the same as the Standard Push Button Spark Ignition, however, it has one added safety benefit, which is a “Flame Sensing Sensor”. This is an Internal Safety Shutoff in the event a burner's flame is unexpectedly extinguished. The best part is that this system does not require external power.4. Electronic Ignition – The Rolls-Royce of fire pit ignition systems. This system allows you to turn your fire pit on/off with a click of a button. It also includes a flame-sensing feature for extra protection. Please note that depending on the BTU rating of your burner, you may need to run external power for this ignition.5. VENTINGOn paper, you "need" two 18 square-inch vents on opposite ends. Not everyone does 18 square inches, however, it is highly recommended to have some sort of venting to allow cross ventilation.6. INSTALLATION COLLARSThe plate will sit about 4-5 inches below the very top of the fire pit and will need something to support it. Some folks stack bricks in the corners to hold the plate or cinder blocks. However, there is an item specifically for this called support collars. All in all, they act as a shelf for the plate7. COVERIt is always recommended to cover your fire pit. At the end of the day, the fire pit is outdoors, and we don't want any elements getting into the burner. Even if you decide to use a tarp! If you aren't using the fire pit for a long period, cover it.Warming Trends does offer nice aluminum covers. As far as the size we would need, very simply you want a 1-Inch lip around the fire pit. So for example, if your opening is 32", you would want a 34" cover.8. FIRE MEDIA Fire media is the material that surrounds your burner and creates the visual look of your fire pit. The two most popular options are: Lava Rock – natural and rustic lookFire Glass – modern and reflective appearance The choice mostly comes down to personal preference and the style you are going for. We also offer many other fire media options, including log sets, lite stone balls, ornaments, and additional fire glass styles if you want to customize the look of your fire pit. Note: Use our convenient Fire Glass Calculator or Lava Rock Calculator to determine the amount of fire glass or lava rock required for your fire feature. Features Made of 100% Brass - Guaranteed corrosion-resistant product to ensure low-cost maintenance and lifetime quality. No rust! Crossfire Burner Design - Innovative burner design with patented technology creating taller, brighter, fuller, and more natural flames. Fuel Types - Accommodates natural gas and propane Fuel Efficiency - Propane or natural gas, we offer a fuel-efficient burner that only consumes half the fuel of conventional burners Full Lifetime Warranty - The ‘No rust’ feature is backed by Warming Trends Full Lifetime Warranty Made In The USA – 100% manufactured in the U.S, a true “Made in the USA” product WATERSTOP® Moisture Barrier (available on select models) – Designed to prevent water and debris from entering gas lines, helping maintain safe and consistent performance. Available in various BTU Ratings and Dimensions. See the specification table below Available in several styles: Original, Octagonal, Tree-style, H-style, and Linear. Specifications Manufacturer Warming Trends SKU Number UCB-CFB Burner Material 100% Brass Burner Style CFB Original Crossfire Brass Burner Fuel Type Natural Gas or Propane Twice The Flame Yes Fuel-Efficient Yes Lifetime Warranty Yes Made In the USA? Yes Original Crossfire Burner Specifications SKU Number BTU Rating Burner Size Inlet Size Recommended Opening Size With WATERSTOP CFB60 60,000 7.375" x 7.375" 1/2" 18" No CFB84 84,000 7.375" x 5.875" 1/2" 18" No CFB120 120,000 13" x 13.25" 1/2" 24" Yes CFB180 180,000 17.25" x 16.5" 1/2" 30" Yes CFB240 240,000 18.75" x 21.5" 1/2" 30" Yes CFB290 290,000 21.75" x 21.5" 1/2" 36" Yes CFB300 300,000 30.5" x 30.5" 3/4" 42" No CFB350 350,000 31.125" x 31" 3/4" 48" No CFB450 450,000 46" x 45.875" 3/4" 60" No Documents Owner/Instruction Manual Manual De Instrucciones Burner Size Guide 6 Steps To Fire WATERSTOP Information Custom Projects Information Warming Trends Warranty