Isokern Magnum 72" Wood Burning Fireplace - 82072

The Isokern Magnum 72" Wood Burning Fireplace is the largest and most impressive model in the Magnum Series — designed for grand indoor living areas, commercial spaces, and luxury outdoor settings. Its massive 72-inch firebox creates a dramatic focal point while maintaining Isokern’s signature efficiency and clean-burning performance. Constructed from high-insulating volcanic pumice, this fireplace combines architectural grandeur with modular simplicity and enduring craftsmanship.

Features

• Built from lightweight volcanic pumice for exceptional heat reflection and durability
• Massive 72" opening ideal for great rooms, lobbies, or large outdoor patios
• Modular interlocking construction for simplified installation
• Approved for both indoor and outdoor applications
• Compatible with wood-burning or gas log configurations
• Works with Isoflames, 3-Burner, and Jumbo Slimline gas burner systems
• Available with optional GreenTech™ catalytic combustor for reduced emissions
• Certified to UL 127 and UL 103HT residential safety standards
• Eco-Steel and Eco-Steel+ venting options available for design flexibility
• Optional Fire-Lite stand for installations over combustible floors
• Backed by Earthcore’s limited lifetime warranty

Dimensions & Specifications

• Model: Magnum 72"
• Firebox Opening (Front × Height): 72" W × 41" H
• Rear Width: 56"
• Depth: 30"
• Assembled Height: 98"
• Dry Weight: ~3,200 lbs
• Flue Opening: 18" × 18"
• Minimum Chimney Height: 18 ft (straight) or 21 ft (offset)
• Framing Dimensions: 90" W × 46" D × 106" H
• Hearth Extension: 30" front, 12" each side minimum
• Clearances to Combustibles: 2" sides, 4" rear, 12" above opening
• Firebrick: 1¼" standard with 4" side-wall bricks required
• Foundation: Must be non-combustible and capable of supporting total system weight
• Installation Type: Indoor or outdoor with proper venting and waterproofing

What’s Included

• Modular pumice fireplace components (base, sidewalls, backwall, smoke dome, top plate)
• Mortar and adhesive set
• 18" × 18" flue starter
• Assembly and installation manual
• Optional Fire-Lite stand, GreenTech combustor, or gas burner system

Firebrick Patterns & Usage

Available in two traditional layouts:

Running Bond Pattern
192 full or split bricks
384 soapstone equivalents

Herringbone Pattern
224 full or split bricks
448 soapstone equivalents

Installation Notes:
Use 4" thick firebrick on side walls (required for Magnum 60" & 72").
Use full (2½" thick) firebrick for floor and back wall.
Add 60 extra full or split bricks when using a running bond pattern.
Always install with Isoset Firebrick Mortar (ISO-SET-BRICK).

Gas Burner Options

Compatible gas systems for the Magnum Series include:

• Isoflames Stadium Burners – 24” or 36” (NG: ISF-SB24-SN / ISF-SB36-SN, LP: ISF-SB24-SP / ISF-SB36-SP). Requires Isoflames Valve Control Assembly (E-VKN / E-VKP). Compatible with AZ Weathered Oak or Birch log sets.
• Vented 3-Burner Systems – 24”, 30”, 36” (3BRN-24-N/P-MVKEI/R, etc.). Battery ignition, remote, and LP conversion kit included. Outdoor stainless-steel versions also available.
• Jumbo Slimline Burners (for Magnum only) – 36”, 48”, 60”, and 72” NG with electronic ignition and remote (JSLBRN36-N/P-MVKEI/R, JSLBRN48-N/P-MVKEI/R, JUMBOSLIMBRNR-60, JUMBOSLIMBRNR-ST72). Stainless versions for indoor/outdoor use. Compatible with Jumbo Slimline Log Sets (JUMBOSLIMAWO36LOGS, JUMBOSLIMAWO48LOGS, JUMBOSLIMAWO60LOGS, JUMBOSLIMAWO72LOGS).
• See-Thru Burners (Indoor Only) – 24”–72” NG (2BRN-ST Series). Compatible with matching see-thru log sets (AWOST Series).

Venting System

The Magnum 72" supports all Isokern venting options:

• Isokern DM Chimney System: Traditional double-wall masonry vent for large-scale installations.
• Eco-Steel Chimney System: Lightweight stainless venting for modern framed structures.
• Eco-Steel+ System: Enhanced insulation and performance for high-efficiency indoor use.

Minimum chimney height: 18 ft (straight) or 21 ft (offset).
A decorative termination cap or chimney pot is recommended for outdoor installations.

Optional Accessories

• Magnum Fire-Lite Kit (FLK-72) with cement board and base plate
• GreenTech™ Catalytic Combustor Kit (M-CCBSF)
• Isoflames electronic ignition valve kit (E-VKN / E-VKP)
• Assorted log sets: Arizona Weathered Oak, Charred Oak, Driftwood, Birch, Aspen, Juniper

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