{"product_id":"oem-lennox-burner-kit-lb-91395a-84k51","title":"OEM Lennox Burner Kit LB-91395A — 84K51","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e84K51\u003c\/strong\u003e burner kit (also referenced as LB-91395A) provides the factory-specified burner components for your Lennox gas furnace. The burners combine gas and air to produce and sustain a stable, evenly distributed flame across the heat exchanger, which is essential for safe, efficient, and consistent heating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Corroded or worn burners frequently cause delayed or failed ignition, yellow or uneven flames, rumbling and flame roll-out, sooting, short-cycling, and repeated flame-sensor lockouts. If the furnace is slow to light or the flame pattern looks off, the burner assembly is a common cause.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e84K51\u003c\/strong\u003e \/ LB-91395A kit is manufactured to Lennox's exact burner geometry, port sizing, and gas ratings so ignition, flame sensing, and heat-exchanger alignment operate as designed. Aftermarket burners can alter the air-fuel mixture and flame position, risking incomplete combustion and voided warranties. Installing the OEM kit restores original ignition reliability, flame quality, and rated furnace performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081129967987,"sku":"LNX-84K51","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-burner-ribbon-LNX-84K51.jpg?v=1783759597","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-burner-kit-lb-91395a-84k51","provider":"National HVAC Parts","version":"1.0","type":"link"}