Osburn OB02028 Matrix Wood Insert
Osburn OB02028 Matrix Wood Insert offers a high-end wood log insert designed for maximum heat output and efficiency. One of the most innovative Osburn units, the Matrix Insert is able to heat a large area and includes a powerful blower to increase heat circulation. The Osburn Matrix is an EPA-certified appliance with an efficiency rating of 77%. The well-designed unit features a firebox lined with refractory bricks for more even heat distribution while the stainless steel secondary air system improves gas combustion and reduces harmful gas emission.
The approximate heating area ranges from 500 - 2,100ft² while the unique design also creates an automatic glass "air wash" system that keeps the glass door clean without any additional effort. The heavy duty carbon steel construction ensures a high-quality and durable product while the metallic black color integrates into any room's decor.
Features
- Heavy Duty Construction - Black Metallic carbon steel construction for long term durability
- High Efficiency Unit - EPA-certified appliance with a 77% efficiency rating, 1.54 g/h emissions rate
- Refractory Bricks - Heavy duty ceramic bricks provide better, more even heat distribution
- Glass Air-Wash System - Unique vacuum design creates an efficiently combustion to prevent creosote build-up on the glass door
- Secondary Combustion Zone - Unique secondary air system creates second combustion zone to improve combustion
- 75,000 BTU Output - 75,000 BTU output for approximate heating area between 500 - 2,100ft²
- Included Blower - Premium quality 110 CFM convection blower included
UPC | 773388164199 |
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Manufacturer | Osburn |
Manufacturer Part Number | OB02028 |
Recommended Heating Area (sq. ft.) | 500 - 2,100 |
Color | Metallic Black |
Door Type | Single, glass with cast iron frame |
Glass Surface | 19 5/8" X 11 7/8" |
Glass Viewing Area (sq. in.) | 233 |
Glass Type | Ceramic |
Opening - Width | 17 1/2" |
Opening - Height | 8 3/4" |
Ash Drawer Available | No |
Blower Kit Available | Yes |
Burn Time | 5 - 8 hrs |
Max Output - EPA test wood | 28,600 BTU/h |
Max BTU - Cord Wood | 75,000 BTU/h max. |
Overall - Depth | 23 1/8" |
Overall - Width | 36 1/8" |
Overall - Height | 25 1/4" |
Firebox - Depth | 16 3/4" |
Firebox - Width | 21" |
Firebox - Height | 12" |
Firebox - Volume (sq. ft.) | 2.4 |
Baffle | High heat-resistant C-cast |
Combustion Technology | Non-Catalytic |
Log Length (maximum) | 20" |
Log positioning | Over width |
Steel thickness (top) | 5/16" |
Centre line of flue outlet to the back | 5 5/8" |
Centre line of flue outlet to the side | 13 1/2" |
Combustible side wall to unit | 16" |
Combustible shelf to unit (US) | 27" |
Combustible top mantle to unit | 27" |
Combustible side mantle to unit | 9" |
Minimum Fireplace Opening - Width | 28 7/8" |
Minimum floor protection in front of unit | 18" CAN / 16" USA |
Minimum Fireplace Opening - Height | 23 3/4" |
Minimum chimney height (feet) | 12 |
Type of Chimney (°F) | 2100 |
Recommended Chimney Diameter | 6" |
Mobile Home Approved | No |
Optimum efficiency | 77.00% |
Emissions (grams/hour) | 1.54 g/h |
Canadian Standard (emissions) | CSA B415.1 |
USA Standard (emissions) | EPA |
USA Standard (safety) | UL 1482 / NFPA 211 |
Canadian Standard (safety) | ULC S628 / CSA B365 |
Warranty-ws | Limited Lifetime |
Tested or/and listed as per applicable standards by | Interlek |
Fuel Type | Wood |
Weight | 480 lbs |
Made in USA | No |
- Overall Dimensions - 25.25" x 36.125" x 23.125" (Height, Width, Depth)
- Firebox Dimensions - 12" x 21" x 16.75" (Height, Width, Depth)
- Weight - 480 pounds
- Maximum Log Length - 20"
- Recommended Connector Pipe - 6" diameter

Osburn wood stoves are manufactured by Stove Builder International (SBI), a family-owned Canadian company. SBI is dedicated to the design, manufacturing, and marketing of residential heating appliances sold around the world in order to create an environmentally sustainable heating solution.
