{"product_id":"oem-lennox-hot-surface-ignitor-41k56","title":"OEM Lennox Hot Surface Ignitor — 41K56","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e41K56\u003c\/strong\u003e hot surface ignitor is the component responsible for lighting the burners in your Lennox gas furnace. When the thermostat calls for heat, this ignitor heats to a glowing temperature to ignite the gas and start the heating cycle. It is engineered as a direct-fit replacement for compatible Lennox furnaces, ensuring correct resistance, positioning, and ignition timing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e If the \u003cstrong\u003e41K56\u003c\/strong\u003e ignitor fails, you may notice the furnace blower running with no heat, a visibly cracked or broken ignitor element, no glow during the ignition sequence, or the furnace locking out after several failed ignition attempts. Hot surface ignitors are among the most common wear items in gas furnaces and are prone to cracking from thermal cycling and hairline stress fractures over time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Aftermarket ignitors often have incorrect resistance values or mounting geometry that lead to premature failure or improper burner ignition. Choosing the genuine Lennox \u003cstrong\u003e41K56\u003c\/strong\u003e guarantees precise fit and factory-rated performance, protecting your furnace control board and delivering safe, dependable heat for your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081106604403,"sku":"LNX-41K56","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-igniter-silicon-carbide-LNX-41K56.jpg?v=1783762022","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-hot-surface-ignitor-41k56","provider":"National HVAC Parts","version":"1.0","type":"link"}