Osburn 1900 Wood Burning Fireplace Insert - OB01900







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FALL 2023 PROMOTION Offer valid from October 1st to December 31st, 2023. With the purchase of a wood stove, insert or fireplace, get a free accessory: Option A - Papyrus tool set (AC02622), Option B - Ash vacuum cleaner (AC02582), or Option C - Start-up kit (AC01380). View Osburn’s Website For Details

Treat your family to incomparable comfort with the Matrix 1900 wood-burning insert. Its magnificent cast-iron faceplate is adorned with a patterned upper louver and columns that frame its large door. Its discreet black wooden handle, air control with removable handle as well as flush mount blower disappear to leave room for the delicate details of its faceplate. Its large glass surface highlights a panoramic view of the flames to fully enjoy your moments near the fire.


  • Covers 250-1,200 sqft
  • 45,000 BTU
  • 7 Hour Max Burn Time
  • 71% Efficient
  • Minimum Fireplace Dimensions - 25" W x 19"H x 15 1/2"D
  • 6" Flue Diameter

The Matrix 1900 is a compact unit that has tapered top and sides for easy installation in smaller hearths. The deep bottom of its combustion chamber allows ash to accumulate and reduces the frequency of cleaning.

Additional Information

  • Average Particulate Emissions Rate: 1/5 g/h
  • UL 1482, UL 737 Certified
  • EPA Certified
  • Limited Lifetime Warranty
  • mobile home approved


  • Top - 72"
  • Combustible Side Mantle to Unit - 1"
  • Combustible Top Mantle to unit - 34"
  • Combustible Side Wall to Unit - 16"
  • Shelf to Base of Fireplace - 34"

Product Specifications

More Information
Osburn 1900 Wood Burning Fireplace Insert - OB01900
SKU OB01900
Weight 332.000000
Manufacturer Osburn
Heating BTU 45,000
Approximate Heating Area 250-1200 sqft
Flue Location Top
Flue Outlet 6" Diameter
Efficiency 75%
Material Steel
Type Brick & Stone Fireplace Insert
Ignition Type Match Light
Fuel Type Wood
Certification EPA, UL 1482, UL 737
Size Range 30" - 39" Wide
Area Heated 1000 - 1499 Sq. Ft
Fireplace Style Traditional
Minimum Fireplace Dimensions 25" W x 19" H x 15 1/2"D
Max Log Length 18"
Height 23 7/8"
Width 36"
Depth 21"
Warranty Limited Lifetime Warranty
Resources You will need Adobe Acrobat Reader to view PDF documents
Safety Information PROPOSITION 65 WARNING


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