{"product_id":"mason-lite-33-standard-wood-burning-or-gas-firebox-kit-mfp33","title":"Mason-Lite 33\" Standard Wood Burning or Gas Firebox Kit - MFP33","description":"\u003ch2 style=\"text-align: center;\" class=\"Polaris-Text--root Polaris-Text--headingLg Polaris-Text--semibold Polaris-Text--base\" tabindex=\"-1\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eMason-Lite 33\" Standard Wood Burning or Gas Firebox Kit - MFP33\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"25\" data-end=\"483\"\u003eThe \u003cstrong data-start=\"29\" data-end=\"96\"\u003eMason-Lite 33\" Standard Wood Burning or Gas Firebox Kit (MFP33)\u003c\/strong\u003e is a premium, factory-engineered masonry firebox designed to deliver the authentic look and performance of traditional brick fireplaces with modern efficiency and easier installation. Built for both \u003cstrong data-start=\"296\" data-end=\"337\"\u003ewood-burning and gas log applications\u003c\/strong\u003e, this 33-inch firebox system offers exceptional durability, versatility, and code-compliant safety for residential and multi-story installations.\u003c\/p\u003e\n\u003cp data-start=\"485\" data-end=\"995\"\u003eEngineered as a lightweight masonry system, the MFP33 reduces structural load while maintaining the strength and thermal performance of conventional site-built fireplaces. It is \u003cstrong data-start=\"663\" data-end=\"679\"\u003eUL127 tested\u003c\/strong\u003e and designed for use with \u003cstrong data-start=\"706\" data-end=\"739\"\u003eUL103 Class A chimney systems\u003c\/strong\u003e, ensuring safe venting and long-lasting operation. Ideal for new construction or remodeling projects, this firebox supports a wide range of finishing options, including brick veneer and custom firebrick linings for a high-end architectural fireplace look.\u003c\/p\u003e\n\u003cp data-start=\"997\" data-end=\"1232\"\u003eWith its proven masonry construction, superior heat resistance, and flexible fuel compatibility, the Mason-Lite MFP33 is a trusted choice for homeowners, builders, and architects seeking a reliable, high-performance fireplace solution.\u003c\/p\u003e\n\u003ch3 data-start=\"903\" data-end=\"930\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18wp0gl\" data-start=\"1253\" data-end=\"1358\"\u003e\n\u003cstrong data-start=\"1255\" data-end=\"1282\"\u003eDual Fuel Compatibility\u003c\/strong\u003e – Designed for use with both wood-burning fires and approved gas log sets\u003c\/li\u003e\n\u003cli data-section-id=\"1uvv0b8\" data-start=\"1359\" data-end=\"1454\"\u003e\n\u003cstrong data-start=\"1361\" data-end=\"1388\"\u003e33-Inch Firebox Opening\u003c\/strong\u003e – Compact size ideal for standard residential fireplace designs\u003c\/li\u003e\n\u003cli data-section-id=\"38quev\" data-start=\"1455\" data-end=\"1562\"\u003e\n\u003cstrong data-start=\"1457\" data-end=\"1493\"\u003eLightweight Masonry Construction\u003c\/strong\u003e – Up to 50% lighter than traditional site-built masonry fireplaces\u003c\/li\u003e\n\u003cli data-section-id=\"3zbspc\" data-start=\"1563\" data-end=\"1653\"\u003e\n\u003cstrong data-start=\"1565\" data-end=\"1595\"\u003eUL127 Listed Safety Design\u003c\/strong\u003e – Tested for safe operation with proper chimney systems\u003c\/li\u003e\n\u003cli data-section-id=\"kjxhro\" data-start=\"1654\" data-end=\"1745\"\u003e\n\u003cstrong data-start=\"1656\" data-end=\"1684\"\u003eUL103 Chimney Compatible\u003c\/strong\u003e – Works with Class A chimney systems for efficient venting\u003c\/li\u003e\n\u003cli data-section-id=\"12nckmf\" data-start=\"1746\" data-end=\"1835\"\u003e\n\u003cstrong data-start=\"1748\" data-end=\"1776\"\u003eHigh Thermal Performance\u003c\/strong\u003e – Engineered for excellent heat retention and durability\u003c\/li\u003e\n\u003cli data-section-id=\"zbbh9g\" data-start=\"1836\" data-end=\"1923\"\u003e\n\u003cstrong data-start=\"1838\" data-end=\"1875\"\u003eMulti-Story Approved Installation\u003c\/strong\u003e – Suitable for multi-level residential builds\u003c\/li\u003e\n\u003cli data-section-id=\"jd977c\" data-start=\"1924\" data-end=\"2015\"\u003e\n\u003cstrong data-start=\"1926\" data-end=\"1981\"\u003eCombustible Floor Approved (with system components)\u003c\/strong\u003e – Flexible installation options\u003c\/li\u003e\n\u003cli data-section-id=\"c4qmfw\" data-start=\"2016\" data-end=\"2097\"\u003e\n\u003cstrong data-start=\"2018\" data-end=\"2043\"\u003eCustom Finish Options\u003c\/strong\u003e – Compatible with brick veneer and firebrick liners\u003c\/li\u003e\n\u003cli data-section-id=\"13cr5o7\" data-start=\"2098\" data-end=\"2168\"\u003e\n\u003cstrong data-start=\"2100\" data-end=\"2119\"\u003eMade in the USA\u003c\/strong\u003e – Manufactured with quality domestic materials\u003c\/li\u003e\n\u003cli data-section-id=\"qn6it1\" data-start=\"2169\" data-end=\"2264\"\u003e\n\u003cstrong data-start=\"2171\" data-end=\"2199\"\u003eProfessional-Grade Build\u003c\/strong\u003e – Designed for contractors, builders, and fireplace installers\u003c\/li\u003e\n\u003cli data-section-id=\"1cm0r9s\" data-start=\"2265\" data-end=\"2365\"\u003e\n\u003cstrong data-start=\"2267\" data-end=\"2301\"\u003eOptional Accessories Available\u003c\/strong\u003e – Includes gas kits, outside air kits, and framing components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"903\" data-end=\"930\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMFP33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirebox Opening (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e30\" x 22.5\" x 21.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Unit Height\u003c\/td\u003e\n\u003ctd\u003e54.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFootprint Dimensions\u003c\/td\u003e\n\u003ctd\u003e37\" x 28\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFraming Dimensions\u003c\/td\u003e\n\u003ctd\u003e41\" W x 30\" D x 56.25\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlue Diameter\u003c\/td\u003e\n\u003ctd\u003e12\" (Class A UL103 chimney required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eWood-burning or approved gas log set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL127 Listed (Factory-built masonry fireplace)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClearance to Combustibles\u003c\/td\u003e\n\u003ctd\u003e2\" (sides \u0026amp; back)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Types\u003c\/td\u003e\n\u003ctd\u003eFlush, corner, internal wall, full projection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFireplace Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 1,091 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMortar \u0026amp; Rebar Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 60 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReady-Mix Requirement\u003c\/td\u003e\n\u003ctd\u003eApprox. 150 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChimney Compatibility\u003c\/td\u003e\n\u003ctd\u003eUL103 Class A metal chimney system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloor Compatibility\u003c\/td\u003e\n\u003ctd\u003eSuitable for combustible and non-combustible floor systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Rating\u003c\/td\u003e\n\u003ctd\u003eTested up to approx. 1700°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction Type\u003c\/td\u003e\n\u003ctd\u003ePrecast lightweight masonry system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-start=\"903\" data-end=\"930\"\u003eResources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/MFP63_Manual.pdf?v=1778038795\" target=\"_blank\" title=\"MFP33 Manual\" rel=\"noopener\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eMFP33 Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/S006_MFP33_090924.pdf?v=1778050515\" target=\"_blank\" title=\"MFP33 Dimensions\" rel=\"noopener\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eMFP33 Dimensions\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":55042314043683,"sku":"MFP33","price":3447.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/Mason-Lite-33_-Standard-Wood-Burning-or-Gas-Firebox-Kit-MFP33-Mason-Lite-Dreamwood-Living-205747012.jpg?v=1780446363","url":"https:\/\/www.dreamwoodliving.com\/products\/mason-lite-33-standard-wood-burning-or-gas-firebox-kit-mfp33","provider":"Dreamwood Living","version":"1.0","type":"link"}