Osburn Matrix Wood Insert | OB02028

The Osburn Matrix Wood Insert The Matrix wood insert will seduce you with an average particle emission rate of 2.3 g/h and an optimal efficiency of 79%. The latest modifications made to this box are well in tune with the industry standards required for 2020. Although it retains a unique style that is both massive and sleek, we have reviewed the door mechanism to make it more functional. Adding a set of intermediate trim panels may be required to complete your masonry hearth. Always the same legendary Osburn quality.   Osburn Matrix Wood Insert Performance Fuel type  Dry cordwood (16" recommended) Recommended heating area-ft²  500 - 2,100 Overall firebox volume-ft³ 2.4 EPA loading volume-ft³  1.95 Maximum burn time : 8 h Maximum heat output-dry cordwood  75,000 BTU/h (22.0 kW) Overall heat output rate <  14,200 BTU/h (4.16 kW) to 44,500 BTU/h (13.04 kW) Average overall efficiency (dry cordwood)  72 % (HHV) 77 % (LHV) Optimum overall efficiency  79 % Optimum heat transfer efficiency  76 % Average particulate emissions rate  2.3 g/h Average CO  69 g/h   Osburn Matrix Wood Insert Specifications Combustion technology Non-catalytic High-efficiency certified appliance Yes, EPA 2020 approved Maximum log length 20" Log positioning Loading over width Chimney diameter 6" Flue outlet diameter 6" Type of chimney Liner - ULC-S635, CAN/ULC-S640, UL1777 Minimum chimney height (feet) 12' Baffle type C-Cast or equivalent Approved for a mobile home installation No Shipping Weight 491 lb (223 kg) Door type Single, glass with cast iron frame Glass type Ceramic glass Glass surface – dimensions (Width X Height) 19 5/8" X 11 7/8" Glass air-wash system Yes Premium quality blower included (CFM) 90 Overall dimension (Height) 25 1/8" Overall dimension (Width) 36 1/8" Overall dimension (Depth) 23 1/8" Door opening – dimension (Height) 8 3/4" Door opening - dimension (Width) 17 1/2" Firebox – dimension (Height) 11 7/8" Firebox – dimension (Width) 21" Firebox – dimension (Depth) 16 3/4" Firebox lined with refractory bricks for better heat distribution Yes Stainless-steel secondary-air system improving gas combustion Yes Steel thickness – body 3/16" Steel thickness – top 5/16" Fireplace opening – minimum (Height) 23 3/8" Fireplace opening – minimum (Width) 28 7/8" Fireplace opening – minimum (Depth) 19 5/8" USA standard (emissions) EPA / ASTM WK47329 Canadian Standard (emissions) CSA B415.1-10 USA standard (safety) UL 1482, UL 737 Canadian standard (safety) ULC S628 Tested and listed as per applicable standards By an accredited laboratory (CAN/USA) Warranty Limited lifetime