Isokern Magnum 48" Wood Burning Fireplace - 82048

The Isokern Magnum 48" Wood Burning Fireplace offers grand visual presence and superior thermal performance for expansive indoor or outdoor living spaces. Built from modular volcanic pumice components, this fireplace blends the craftsmanship of traditional masonry with the ease of prefabricated installation. Designed for both wood and gas-burning configurations, the Magnum 48" delivers high radiant efficiency and timeless architectural appeal.

Features

• Constructed from lightweight, high-density volcanic pumice for outstanding heat reflection and longevity
• Modular design for simple, precise, and durable installation
• Approved for indoor and outdoor applications
• Compatible with both wood-burning and gas-burning setups
• Accepts Isoflames Stadium, Vented 3-Burner, or Jumbo Slimline gas burner systems
• Works with a wide range of decorative log sets: Arizona Weathered Oak, Charred Oak, Driftwood, Juniper, Birch, and Aspen
• Meets UL 127 and UL 103HT residential safety standards
• Eco-friendly design with optional GreenTech™ catalytic combustor for reduced emissions
• Optional Fire-Lite stand available for installations over combustible floors
• Backed by Earthcore’s limited lifetime warranty

Dimensions & Specifications

• Model: Magnum 48"
• Firebox Opening (Front × Height): 48" W × 33" H
• Rear Width: 38"
• Depth: 24"
• Assembled Height: 82"
• Dry Weight: ~1,850 lbs
• Flue Opening: 18" × 18"
• Minimum Chimney Height: 18 ft (straight) or 21 ft (offset)
• Framing Dimensions: 65" W × 38" D × 88" H
• Hearth Extension: 30" front, 12" each side minimum
• Clearances to Combustibles: 2" sides, 4" rear, 12" above opening
• Firebrick: Standard 1¼" thick (full/split compatible with running bond or herringbone pattern)
• Foundation: Must be non-combustible and capable of supporting total system weight
• Installation Type: Indoor or outdoor (with appropriate venting and waterproofing)

What’s Included

• Modular pumice fireplace components (base, side walls, back wall, top plate, and smoke dome)
• Mortar and adhesive set
• Flue starter section
• Assembly and installation manual
• Optional components: Fire-Lite stand, GreenTech combustor, and gas burner kit

Firebrick Patterns & Usage

Available in two traditional layouts:

Running Bond Pattern
130 full or split bricks
260 soapstone equivalents

Herringbone Pattern
150 full or split bricks
300 soapstone equivalents

Installation Notes:
Use full (2½" thick) firebrick for the floor and back wall.
Use 4" thick firebrick for side walls.
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” NG with electronic ignition and remote (JSLBRN36-N/P-MVKEI/R, JSLBRN48-N/P-MVKEI/R). Stainless versions for indoor/outdoor use. Compatible with Jumbo Slimline Log Sets (JUMBOSLIMAWO36LOGS, JUMBOSLIMAWO48LOGS).
• See-Thru Burners (Indoor Only) – 24”–60” NG (2BRN-ST Series). Works with matching see-thru log sets (AWOST Series).

Venting System

The Magnum 48" supports multiple venting options:

• Isokern DM Chimney System: Double modular masonry construction for long-term durability.
• Eco-Steel Chimney System: Lightweight stainless venting ideal for limited-clearance designs.
• Eco-Steel+ System: Enhanced insulation for maximum thermal efficiency.

Minimum chimney height: 18 ft (straight) or 21 ft (offset).
Top termination caps or decorative chimney pots are recommended for outdoor installations.

Optional Accessories

• Magnum Metal Stand (MS-M-48) with IsoWool insulation
• GreenTech™ Catalytic Combustor Kit (M-CCBSF)
• Isoflames electronic ignition valve kit (E-VKN / E-VKP)
• Assorted log sets (AZ Weathered Oak, Charred Oak, Driftwood, Birch, Aspen, Juniper)

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