Matrix Insert

The Osburn Matrix Insert has a massive yet sleek look and an updated, easier-to-use door mechanism. A blower is included to move heat into the room.

Depending on your masonry hearth, a set of faceplate backing plates may be needed to finish the install.

Specifications

• Fuel Type: Wood (dry cordwood, 16" recommended)
• Combustion Technology: Non-catalytic
• Max Heat Output: 75,000 BTU/h (22.0 kW)
• Efficiency: 69% average (HHV), 77% optimum
• Max Burn Time: 8 h
• Firebox Volume: 2.4 cu ft
• Max Log Length: 20"
• Overall Dimensions: 36 1/8" W × 25 1/8" H × 23 1/8" D
• Minimum Fireplace Opening: 28 7/8" W × 23 3/8" H × 19 5/8" D
• Weight: 491 lb (223 kg) shipping
• Flue Diameter: 6"
• Blower: Included
• Emissions: 2.3 g/h
• EPA Status: EPA 2020 certified

Clearances

Minimum clearances to combustibles from the installation manual (Canadian installation in a masonry fireplace). Always confirm with the manual and local code before installing.

• Side wall: 16"
• Side trim / facing: 9"
• Top trim / facing: 27"
• Mantel: 27" above the insert, 12" max depth
• Hearth extension (front): 18" from door opening (23" with R-value 1.00 if the hearth is raised 5" or less)
• Hearth extension (sides): 8"

Documents

• Owner's Manual
• Dimension Sheet