{"product_id":"osburn-matrix-1900-small-wood-insert-ob01900","title":"Osburn Matrix 1900 Small Wood Insert OB01900","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTreat your family to incomparable comfort with the Matrix 1900 wood-burning insert. Its cast-iron faceplate is adorned with a patterned upper louver and columns that frame the large door, while a discreet black wooden handle and flush-mount blower disappear to leave room for the faceplate's delicate details.\u003c\/p\u003e\n\u003cp\u003eThe Matrix 1900 is a compact, tapered unit — sized top and sides for easy installation in smaller masonry hearths — with a deep combustion chamber floor that reduces how often you need to clean out ash.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecorative cast-iron faceplate with patterned upper louver\u003c\/li\u003e\n\u003cli\u003eTapered top and sides for easier fit into smaller hearths\u003c\/li\u003e\n\u003cli\u003eDeep firebox floor for extended ash capacity\u003c\/li\u003e\n\u003cli\u003eNon-catalytic combustion — 1.5 g\/h emissions, 82% optimum efficiency\u003c\/li\u003e\n\u003cli\u003eFlush-mount heat-activated blower included\u003c\/li\u003e\n\u003cli\u003eTakes logs up to 17\" long\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOsburn Matrix 1900 insert body, metallic black finish\u003c\/li\u003e\n\u003cli\u003eCast-iron faceplate with heat-activated blower\u003c\/li\u003e\n\u003cli\u003e6\" flue collar\u003c\/li\u003e\n\u003cli\u003eOwner's manual \u0026amp; installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRequired accessories (choose finish, purchased separately):\u003c\/strong\u003e black or brushed nickel cast iron door overlay (OA10041\/OA10042).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptional accessories:\u003c\/strong\u003e rigid firescreen (AC01213), 5\" fresh air intake kit (AC01298), offset liner adaptor (AC01214), cuttable faceplate 32\"x44\" (AC02082).\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:10px 6px 4px;border:none;\"\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eCombustion technology\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eNon-catalytic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eMaximum heat output (dry cordwood)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e45,000 BTU\/h (13.18 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eRecommended heating area\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e250–1,200 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eAverage particulate emissions\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e1.5 g\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eOptimum efficiency\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e82%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eMaximum burn time\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e7 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:10px 6px 4px;border:none;\"\u003e\u003cstrong\u003eFirebox\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eFirebox volume\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e1.1 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eMaximum log length\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e17\" (16\" recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eFirebox dimensions (W x H x D)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e19 1\/4\" x 8 7\/8\" x 12 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eDoor opening (W x H)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e18 1\/4\" x 7 7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eGlass viewing area (W x H)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e18\" x 8 1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eDoor frame\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eCast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:10px 6px 4px;border:none;\"\u003e\u003cstrong\u003eDimensions \u0026amp; Clearances\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eFlue spigot diameter\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eExterior height x width x depth\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e20 1\/4\" x 28 1\/4\" x 21\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e332 lb (150 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eClearance – adjacent sidewall\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eClearance – combustible side surround\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eClearance – combustible top surround\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eMinimum fireplace opening (H x W x D)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e25 1\/2\" x 15 1\/2\" x 19\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eMinimum floor protection, front (CAN\/US)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e18\" \/ 16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"padding:10px 6px 4px;border:none;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eMetallic black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eLifetime, limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eSafety standard\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eUL 1482, UL 737, ULC S628, NFPA 211, CSA B365\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;width:50%;\"\u003eEmissions \/ efficiency standard\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eEPA \/ CSA B415.1-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Osburn","offers":[{"title":"Default Title","offer_id":48312570839198,"sku":"OB01900","price":3239.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/usfireplaceshop.com\/products\/osburn-matrix-1900-small-wood-insert-ob01900","provider":"US Fireplace Shop","version":"1.0","type":"link"}