• Warming Trends Universal Crossfire 2.0 Brass Fire Pit Burner 420K BTU U420
  • Warming Trends Crossfire brass burner lit
  • Warming Trends U420 Crossfire burner on 48 inch circular aluminum plate
  • Warming Trends U420 Crossfire burner on 48 inch square aluminum plate
  • Warming Trends double flex line kit
  • Warming Trends Cobalt low voltage electronic ignition system
  • Installation diagram for the Warming Trends Crossfire 420K BTU burner on a circular or square aluminum plate

Warming Trends Universal Crossfire 2.0 Brass Fire Pit Burner - 420K BTU 38.25" x 34.5"

Warming Trends Universal Crossfire 2.0 Brass Fire Pit Burner - 420K BTU 38.25" x 34.5"

BY Warming Trends

$1,672.00
$1,672.00
List Price:
$1,672.00
Step 1 Core Configuration (Required)
Step 2 Design Enhancements (Optional)
Step 3 Ignition & Controls (Optional)
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In Stock
In Stock · Ships in 3-5 business days
Built in the USA for reliable long-term outdoor performance.
Block 1
Freight Included
Scheduled delivery with tracking and safe unloading.
Block 2
3-Year Warranty Coverage
Coverage included to ensure reliable support after installation.
Block 3
Authorized Distributor
Real specialists. Project-level guidance.

UNIVERSAL CROSSFIRE 2.0 U420 | U420-LP
For 48" round or square opening or larger

420K BTU Universal Crossfire 2.0 Brass Burner

Dimensions: 38 1/4" x 34 1/2"

The Warming Trends U420 Crossfire 2.0 Brass Burner delivers 420,000 BTUs for oversized round and square gas fire pits with openings of 48" or larger. American Fire Features is an authorized Warming Trends dealer, and this burner uses the patented Crossfire venturi design to produce a tall, full flame while using less gas than a traditional pipe burner.

Key Features:

  • High Heat Output: Produces 420,000 BTUs for large residential and commercial fire features.
  • Durable Brass Construction: Solid brass for long-lasting performance and resistance to outdoor conditions.
  • Universal Design: Works in both circular and square fire pit builds.
  • Natural Gas or Propane: Available in NG and LP versions.

Recommended Accessories:

  • Burner Plate: ALPL48C 48" circular or ALPL48S 48" square aluminum plate.
  • Flex Line Kit: FK2 for safe and efficient gas connections.
    • Kit Includes:
      • (2) 36” L x 3/4” Diameter Flex Lines
      • (4) 3/4" Flared Fittings
      • 3/4” Key Valve + 3” and 12” Key
      • (2) 3/4” x 3” Nipple
      • (2) 3/4” Tee
      • (1) 3/4” x 1/2” MM Reducer Fitting
  • Ignition Options: Match-lit or Cobalt low voltage (12V) electronic ignition.

This burner is ideal for those seeking a high-performance, efficient fire feature in an oversized round or square fire pit.

Warranty

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