Starting at $829

The Magnum firebox series offers Monessen's trademark angled firebox design coupled with a deep box and tall opening for maximum heating capacity. Finish your fireplace right up to the firebox with the material of your choice and add the log set you love for a perfect custom look.

  • Radiant face design with heat circulating air ducts for optional blower
  • True masonry look
  • Available facing options include Perimeter Trims, Classic Arched Faces and Cabinet Doors with Screen

Available Sizes:

  • 36"
  • 42"

Accessories that fit your home and lifestyle

Available in two sizes and two colors, these curved trim kits must be attached before installing the product in the wall.

Draws in outside combustion air for your firebox rather than pulling it from the room. 

These classic arched fronts feature a lower door for control access.

Available in two sizes, these frames are required for cabinet door installation.

Available in two sizes, these screened door sets provide a decorative accent that adds allure to your firebox.

Our Limited Lifetime Warranty is the strongest and most comprehensive in the industry. It illustrates our commitment to producing the best and most reliable products available—and allows you to own your hearth appliance with confidence. Season after season, year after year.


Model Specifications

Magnum 36

Appliance Width:41-1/4"
Appliance Height:37-3/8"
Appliance Depth:18-1/4"
Appliance Rear Width:32"
Hearth Front Width:32-5/8"
Hearth Front Height:25"
Hearth Depth:15"
Hearth Rear Width:25-3/4"
Hearth Rear Height:20 1/2"
Viewing Area:36 x 26-1/4"

Magnum 42

Appliance Width:47"
Appliance Height:37-3/8"
Appliance Depth:18-1/4"
Appliance Rear Width:38"
Hearth Front Width:38-5/8"
Hearth Front Height:25"
Hearth Depth:15"
Hearth Rear Width:31-3/4"
Hearth Rear Height:20 1/2"
Viewing Area:42 x 26-1/4"

Appliance Depth includes entire unit including depth of firebox and extension onto hearth.

BTU: 1st hour output uses high burn efficiency number. BTU will vary depending on the type of fuel used and moisture content of the fuel.

This is a general guide, see your local dealer for help in determining the product that best suits your heating needs based on climate, home efficiency, location of the heater, and air movement in the room.

Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used.

Fuel density and pellet shape will affect hopper capacity.

Weighted average LHV (Low Heating Value) & HHV (High Heating Value) efficiencies using data collected during EPA emissions test. HHV efficiency over 75% qualifies for the 2021-2023 Federal Tax Credit.