{"product_id":"osburn-matrix-wood-insert","title":"Osburn Matrix Wood Insert","description":"\u003cp\u003e\u003cb\u003eThe Osburn Matrix (OB02028) is a non-catalytic wood insert for an existing masonry fireplace, rated for 500 to 2,100 sq ft with a maximum heat output of 75,000 BTU\/h.\u003c\/b\u003e It has a wide, sleek front and a 2.4 cu ft firebox that takes logs up to 20\" long. It burns up to 8 hours and comes with a 90 CFM blower. Osburn lists no required accessories for it.\u003c\/p\u003e\n\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e75,000 BTU\/h\u003c\/strong\u003e: Maximum heat output, dry cordwood\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 to 2,100 sq ft\u003c\/strong\u003e: Recommended heating area\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA 2020 approved\u003c\/strong\u003e: 2.3 g\/h particulate emissions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90 CFM blower\u003c\/strong\u003e: Included with the insert\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eOsburn Matrix wood insert, OB02028\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeat output\u003c\/th\u003e\n\u003ctd\u003e75,000 BTU\/h maximum (dry cordwood); overall 14,200 to 44,500 BTU\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating area\u003c\/th\u003e\n\u003ctd\u003e500 to 2,100 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003e72% average overall (HHV), 77% (LHV); 79% optimum overall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEmissions\u003c\/th\u003e\n\u003ctd\u003e2.3 g\/h average particulate, non-catalytic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTest standard\u003c\/th\u003e\n\u003ctd\u003eEPA 2020 approved; tested to ASTM E3053-17 under 40 CFR Part 60, Subpart AAA; efficiency by the CSA B415.1-10 stack loss method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFirebox\u003c\/th\u003e\n\u003ctd\u003e2.4 cu ft overall (1.95 cu ft EPA loading volume); 11 7\/8\" H x 21\" W x 16 3\/4\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBurn time and logs\u003c\/th\u003e\n\u003ctd\u003eUp to 8 hours; logs up to 20\" long, loaded across the width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall size\u003c\/th\u003e\n\u003ctd\u003e25 1\/8\" H x 36 1\/8\" W x 23 1\/8\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum fireplace opening\u003c\/th\u003e\n\u003ctd\u003e23 3\/8\" H x 28 7\/8\" W x 19 5\/8\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlue\u003c\/th\u003e\n\u003ctd\u003e6\" outlet; continuous 6\" liner (UL 1777), 12 ft minimum chimney height, 15 ft minimum total system height from the floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClearances (US)\u003c\/th\u003e\n\u003ctd\u003eSide mantle 9\", top mantle 27\", side wall 16\"; floor protection 16\" in front\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e491 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOsburn (SBI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMasonry fireplaces only.\u003c\/strong\u003e Osburn forbids installing the Matrix in a factory-built fireplace. It goes only inside a masonry fireplace with a lined masonry chimney, and it is not approved for mobile homes. A certified installer or your local building official should check the installation before the first fire.\u003c\/p\u003e\n\u003ch2\u003eQuestions people ask us\u003c\/h2\u003e\u003ch3\u003eDoes the Matrix need a faceplate or overlay?\u003c\/h3\u003e\u003cp\u003eOsburn lists \u003cb\u003eno required accessories\u003c\/b\u003e for the Matrix insert. For a larger fireplace opening, faceplate backing plate kits and a 2\" or 4\" projection kit are optional, sold separately in the \u003ca href=\"\/collections\/osburn-fireplace-trims-fronts\"\u003etrims and fronts\u003c\/a\u003e collection.\u003c\/p\u003e\u003ch3\u003eIs the blower included?\u003c\/h3\u003e\u003cp\u003eYes, a \u003cb\u003e90 CFM\u003c\/b\u003e blower comes with the insert.\u003c\/p\u003e\u003ch3\u003eCan the Matrix go in a factory-built fireplace?\u003c\/h3\u003e\u003cp\u003eNo. Osburn states that its wood-burning inserts must only be installed inside an \u003cb\u003eexisting masonry fireplace\u003c\/b\u003e with a lined masonry chimney, never in a factory-built (zero clearance) fireplace or any wooden or combustible structure.\u003c\/p\u003e\u003ch3\u003eWhat chimney liner does it need?\u003c\/h3\u003e\u003cp\u003eA continuous \u003cb\u003e6\"\u003c\/b\u003e liner from the insert to the top of the chimney, listed to UL 1777 in the US. The chimney must be at least \u003cb\u003e12 ft\u003c\/b\u003e tall and the whole system at least \u003cb\u003e15 ft\u003c\/b\u003e from the floor.\u003c\/p\u003e\u003ch3\u003eWill it fit my fireplace?\u003c\/h3\u003e\u003cp\u003eThe minimum opening is \u003cb\u003e23 3\/8\" H x 28 7\/8\" W x 19 5\/8\" D\u003c\/b\u003e. Send us your measurements and we will check it with you. \u003ca href=\"\/pages\/contact-us\"\u003eAsk us here\u003c\/a\u003e.\u003c\/p\u003e","brand":"Osburn","offers":[{"title":"Default Title","offer_id":67630641217810,"sku":"OB02028","price":3949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/osburn-matrix-wood-insert.jpg?v=1792562840","url":"https:\/\/www.aquaterrabackyard.com\/products\/osburn-matrix-wood-insert","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}