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Osburn Matrix 2700 Wood Fireplace Insert

Approx. Heating Area: 750 - 2,200 sq. ft.

Max Output: 80,000 BTU/h

Starting at $3199


The Matrix 2700 wood insert defines the combination of traditional design and increased efficiency. This fireplace insert model will fit your traditional, sleek design style while providing the performance of a modern insert. Heat your living space up to 2,200 square feet with the maximum output of 80,000 BTU/h and 176 CFM premium blower. With an average emissions rate of 1.14 g/h this unit will please the eco-savy customer as well. Easily customize this unit by choosing from the black or brushed nickel door overlay options. 

The Osburn 2700 Fireplace Inserts includes the flashing which measures 30.125" x 43.625". If your fireplace opening is larger, please see the Cuttable Faceplate optional accessory. Projection Kit available as well.


  • High-efficiency appliance 2020 EPA approved
  • Blower Included : 176 CFM
  • Recommended heating area : 750 - 2,000 square feet
  • Maximum burn time : 8 hours
  • Maximum heat output : 80,000 BTU/h
  • Glass air-wash system
  • Firebox lined with refractory bricks for better heat distribution
  • Stainless-steel secondary-air system improving gas combustion
  • Constant view of the fire through 24 3/8" x 12 1/2" glass surface
  • Approved Chimney Liner: Rock-Flex Stainless Flexible Liner Kit

Specifications & Manual

Osburn Matrix 2700 Wood Insert Manual

Osburn Matrix 2700 Wood Insert Dimensions

Osburn Matrix 2700 Wood Burning Insert
Type of Fuel Wood
Minimum chimney height (feet) 15
Recommended chimney diameter 6"
Minimum fireplace opening (Width) 31 3/4"
Minimum fireplace opening (Height) 27 1/8"
Minimum fireplace opening (Depth) 22 1/8"
Width - Overall 30 3/4"
Height - Overall 26 1/8"
Depth - Overall 21 1/8"
Firebox dimensions (Width) 20 1/2"
Firebox dimensions (Height) 12 1/8"
Firebox dimensions (Depth) 12 3/4"
Firebox volume (cu. ft.) 2.5
Recommended Heating Area (sq. ft.) 750-2,200
Maximum log length 20"
Log positioning Over width
Door opening dimensions (Width) 25 1/2"
Door opening dimensions (Height) 12 1/2"
Type of Door Single, glass with cast iron frame
Glass Surface 12 1/2" x 24 3/8"
Glass Type Ceramic glass
Weight 535 lb (243 kg)
Center line of flue outlet to the back 6 5/8"
Center line of flue outlet to the side 15 3/8"
Maximum output - EPA test wood 48,200 BTU
Maximum output - seasoned cord wood 80,000 BTU
Optimum efficiency 74%
Emissions (grams/hour) 1.14 g/h
Baffle High heat-resistant C-cast
Approval for Mobile Home Installation No
Canadian Standard (emissions) CSA B415.1-10
USA standard (emissions) EPA
Canadian Standard (safety) ULC-S628
USA standard (safety) UL-1482, UL-737
Warranty Limited lifetime

Minimum Clearances to Combustibles

Osburn Matrix 2700 Insert Minimum Clearances to Combustibles*
Clearance – top (measured from the platform on which the appliance is installed)** 84"
Clearance – combustible side mantle to unit 9 1/2"
Clearance – combustible top mantle to unit 12"
Clearance – combustible side wall to unit 19"
Clearance – minimum floor protection in front of the appliance 16" US / 18" CA
Clearance – top shelf to unit 27"
** Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual.
* The information given on the certification label affixed to the appliance always overrides the information published in any other media (owner's manual, catalogues, flyers, magazines and/or web sites).

Door Overlay Option Details

Door Overlay

The Door Overlay is required to complete the installation. The Door Overlay is available in either black or brushed nickel finish. The options for the Door Overlay allow you to tailor the look of the stove to your liking. The Black Door Overlay gives the fireplace insert more of a traditional appearance, while the Brushed Nickel Door Overlay gives the insert more of a sleek and modern look. The Door Overlay easily installs to the stove with the included bolts.

Optional Accessory Details

Projection Kit for Insert - 2" or 4"

The Projection Kit for the Osburn 2700 Matrix fireplace insert is the perfect solution if your fireplace depth is not large enough to fully push the insert into the fireplace opening. The Projection Kit can extend the insert either 2 or 4 inches outside of the fireplace. The Projection Kit simply bolts to the back of the Matrix 2700 Faceplate for an easy installation. All of the required hardware is included with the Projection Kit. Projection Kit Installation Guide

34" x 50" Cuttable Faceplate

The Osburn Matrix 2700 fireplace insert is has one additional option for the Faceplate size. The 34" x 50" Cuttable Faceplate is available for those fireplaces that are larger than 30.125" x 43.625". The Cuttable Faceplate easily attaches to the back of the included Faceplate to cover any gaps on large fireplaces. You can cut the top edge and sides of the Cuttable Faceplate to contour an arched fireplace or to minimize the amount of flashing you will see. Don't be discouraged on adding the Osburn Matrix 2700 insert to your home just because the Faceplate is not large enough, the Cuttable 34" x 50" Faceplate is the perfect solution. Cuttable Faceplate Installation Guide

5" Fresh Air Intake Kit Oval

The 5" Fresh Air Oval Kit is required if you plan on connecting a fresh air intake pipe. The oval adapter kit comes with the oval adapter, 2 clamps and the fresh air intake register hood. The oval adapter is intended for 5" Fresh Air Intake Pipe. You will have to manually ovalize the flexible intake pipe to make the connection to the adapter. The oval adapter can be positioned on either side of the fireplace insert.

Rigid Fire Screen

The Rigid Fire Screen allows you to burn wood in the fireplace insert with the door open just like an old-time fireplace. Hear the crackle of the wood, watch the flames dance around in the firebox and relax around the wood insert on a cold winter's night. The Rigid Fire Screen is easy to install and easy to remove when you are ready to load more wood. The wood insert should not be burning with the door open without the firescreen. Rigid Fire Screen Installation Guide

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