{"product_id":"heat-glo-mmtb42-mmhb42-firebrick-yellow-refractory-rutherford-42-b","title":"Heat \u0026 Glo Firebrick Yellow Refractory Panels for Rutherford-42-B","description":"\u003cp\u003e\u003cb\u003eHeat \u0026amp; Glo MMTB42-B and MMHB42-B are Firebrick Yellow refractory panel sets for the Rutherford-42-B wood-burning fireplace.\u003c\/b\u003e MMTB42-B is the traditional brick pattern and MMHB42-B is herringbone. They are listed in the Rutherford-42-B service parts for fireplaces built from May 2008 to March 2026.\u003c\/p\u003e\n\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrick panels\u003c\/strong\u003e: Left, back and right\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirebrick Yellow\u003c\/strong\u003e: The color of these sets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 patterns\u003c\/strong\u003e: Traditional or herringbone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRutherford-42-B\u003c\/strong\u003e: Built 2008 to 2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart numbers\u003c\/th\u003e\n\u003ctd\u003eMMTB42-B (traditional), MMHB42-B (herringbone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eRutherford-42-B wood-burning fireplace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturing dates covered\u003c\/th\u003e\n\u003ctd\u003eMay 2008 to March 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eFirebrick Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRelated parts\u003c\/th\u003e\n\u003ctd\u003eRefractory fastener pack SRV4059-668; mortar, 10 lb bucket MMMORTR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel\u003c\/th\u003e\n\u003ctd\u003eWood-burning fireplace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHeat \u0026amp; Glo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eOrder by model and serial number.\u003c\/strong\u003e The newer RUTH42 uses different refractory sets. Installation and service should be done by qualified personnel following the Rutherford manual.\u003c\/p\u003e\n\u003ch2\u003eQuestions people ask us\u003c\/h2\u003e\u003ch3\u003eDoes this fit the new RUTH42?\u003c\/h3\u003e\u003cp\u003eNo. The RUTH42 built from March 2026 uses the WDR3842 sets. These panels are for the \u003cb\u003eRutherford-42-B\u003c\/b\u003e.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between the two?\u003c\/h3\u003e\u003cp\u003e\u003cb\u003eMMTB42-B\u003c\/b\u003e is a traditional running brick pattern and \u003cb\u003eMMHB42-B\u003c\/b\u003e is herringbone. Both are Firebrick Yellow.\u003c\/p\u003e\u003ch3\u003eIs mortar needed?\u003c\/h3\u003e\u003cp\u003eHeat \u0026amp; Glo lists a 10 lb bucket of mortar (MMMORTR) among the Rutherford parts. Follow the installation manual for your fireplace.\u003c\/p\u003e\u003ch3\u003eNot sure it fits?\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact-us\"\u003eSend us the model and serial number\u003c\/a\u003e and we will confirm.\u003c\/p\u003e","brand":"Heat \u0026 Glo","offers":[{"title":"Traditional (MMTB42-B)","offer_id":67636531560722,"sku":"MMTB42-B","price":1189.0,"currency_code":"USD","in_stock":true},{"title":"Herringbone (MMHB42-B)","offer_id":67636531593490,"sku":"MMHB42-B","price":1579.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/heat-glo-mmtb42-mmhb42-firebrick-yellow-refractory-rutherford-42-b.png?v=1792700210","url":"https:\/\/www.aquaterrabackyard.com\/products\/heat-glo-mmtb42-mmhb42-firebrick-yellow-refractory-rutherford-42-b","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}