Isokern Magnum+ 84" Wood Burning Fireplace - 82084

The Isokern Magnum+ 84" Wood Burning Fireplace brings monumental design and performance to luxury residential or commercial spaces. As part of Isokern’s largest UL-listed series, the Magnum+ is engineered for rooms where scale, efficiency, and architectural presence converge. Constructed from high-insulating volcanic pumice, the Magnum+ 84" delivers impressive radiant warmth with the timeless beauty of true masonry construction—now in an easy-to-install modular form.

Features

• Built from genuine volcanic pumice for superior insulation and long-term durability
• Massive 84" wide opening for dramatic visual impact indoors or outdoors
• Modular interlocking construction simplifies installation while maintaining structural integrity
• Certified to UL 127 and UL 103HT residential safety standards
• Compatible with wood, natural gas, or propane fuel options
• Accepts Jumbo Slimline gas burner and log sets (special order for large-scale applications)
• Eco-Steel and Eco-Steel+ Class-A chimney systems approved for all installations
• GreenTech™ catalytic combustor option available for cleaner combustion and reduced emissions
• Optional Fire-Lite stand for combustible floor applications
• Backed by Earthcore’s limited lifetime warranty

Dimensions & Specifications

• Model: Magnum+ 84"
• Firebox Opening (Front × Height): 83" W × 44" H
• Overall Width: 95 ⅝"
• Overall Height: 94 ½"
• Overall Depth: 28"
• Flue Opening: 18" × 18"
• Dry Weight: ~3,100 lbs
• Minimum Chimney Height: 18 ft (straight) or 21 ft (offset)
• Clearances to Combustibles:
  • 1½" sides and rear
  • 24" above opening to combustible sheathing or mantel
  • 9" to side trim or sheathing
  • 48" opening to side wall
  • Hearth extension: 30" front, 12" each side
• Firebrick: 4" thick on sidewalls; 2½" on floor and back wall
• 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 components (base, backwall, sidewalls, top plate, smoke dome)
• Mortar and adhesive set
• 18" × 18" flue starter
• Assembly and installation manual
• Optional Fire-Lite stand, catalytic combustor, and gas conversion accessories

Firebrick Patterns & Usage

Available in two traditional designs:

Running Bond Pattern
240 full or split firebricks
480 soapstone equivalents

Herringbone Pattern
280 full or split firebricks
560 soapstone equivalents

Installation Notes:
Use 4" thick firebrick for sidewalls.
Use full (2½" thick) firebrick for floor and back wall.
Always install using Isoset Firebrick Mortar (ISO-SET-BRICK).

Gas Burner & Log Set Options

If you plan to convert your Magnum+ fireplace to gas, please review the compatible options below carefully.

The Magnum+ fireplaces (84"–120") are built for dramatic, full-width flame displays and therefore require Jumbo Slimline Burners with matching Jumbo Slimline Log Sets. These components are special order items, crafted to fit your specific firebox size for optimal flame performance and heat distribution.

• Magnum+ 84" & 96" – Compatible with Jumbo Slimline Stainless Steel or See-Thru Burners (Special Order).
• Magnum+ 108" & 120" – Require a Custom Jumbo Slimline Gas Burner System, individually engineered and quoted by Earthcore.

Each system works with MVKEIKN (Natural Gas) or MVKEIKLP (Propane) electronic valve control assemblies and pairs beautifully with Jumbo Slimline Arizona Weathered Oak Log Sets.

Smaller vented burners may be used for demonstration or limited heating, but they will not fill the entire firebox and are not recommended for long-term installation.

Please allow additional lead time for all Jumbo Slimline and custom Magnum+ gas components, as these are built-to-order specialty systems.

Venting System

The Magnum+ 84" fireplace requires a Class-A venting system for safe, efficient operation:

• Eco-Steel Chimney System: Lightweight stainless venting for high-rise or limited-clearance designs; easy installation and clean appearance.
• Eco-Steel+ Chimney System: Premium insulated Class-A system for enhanced draft and efficiency; required for multi-story or offset chimney applications.

Installation Notes:
Minimum chimney height: 18 ft (straight) or 21 ft (offset). Termination cap or decorative chimney pot required for outdoor applications. Traditional masonry chimneys are not compatible with Magnum+ fireplaces.

Optional Accessories

• Magnum+ Fire-Lite Stand (for installations over combustible floors)
• GreenTech™ Catalytic Combustor Kit (M-CCBSF)
• Isoflames electronic ignition valve kit (E-VKN / E-VKP)
• Assorted decorative log sets (Weathered Oak, Charred Oak, Driftwood, Birch, Aspen, Juniper)

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