Isokern

Isokern Magnum Modular Firebox — 42″ or 48″

4.7 from 735 reviews across ExceptionalFire
From $3,444

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In stock — view available options

Availability updated Oct 24, 2026. Available while supplies last.

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Your order

Size 42 inches — 82042

Shipping & warranty

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The details

Product details

OverviewProduct details and key features

Create a substantial masonry-style fireplace around the Isokern Magnum modular firebox. Choose a 42- or 48-inch opening and plan the surrounding architecture for your project. Photographs show completed installations; finishes and installation components are separate.

What the price includes

Selected 82042 or 82048 modular firebox.

Complete your installation

The complete installation requires the specified adhesive, firebrick, approved chimney, structural support, hearth and project-specific finishing components. A gas configuration needs separately selected approved equipment. Request a complete project quotation before ordering.

Specifications

  • Model options: 82042 / 82048
  • Nominal opening width: 42 / 48 inches
  • Construction: Modular masonry firebox
  • Application: Project-specific wood or approved gas installation

Availability and delivery

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Product documents

Manufacturer or product reference

SpecificationsDimensions, fuel and installation requirements
Model options82042 / 82048
Nominal opening width42 / 48 inches
ConstructionModular masonry firebox
ApplicationProject-specific wood or approved gas installation
Shipping & returnsDelivery and returns

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WarrantyProduct coverage

Warranty coverage and terms vary by manufacturer and component. Refer to the manufacturer documents for this model.

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In real homes

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