{"title":"Lennox Furnace Ignitors | Genuine OEM Replacement Parts","description":"\u003cp\u003ejkbglug\u003c\/p\u003e","products":[{"product_id":"lennox-white-rodgers-767a-369","title":"White-Rodgers P\/N 767A-369 – Genuine OEM Silicon Carbide Hot Surface Ignitor (HSI)","description":"\u003ch1\u003e\u003cstrong\u003eWhite-Rodgers P\/N 767A-369 – Genuine OEM Silicon Carbide Hot Surface Ignitor (HSI)\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eWhite-Rodgers 767A-369\u003c\/strong\u003e is a Genuine Original Equipment Manufacturer (\u003cstrong\u003eOEM\u003c\/strong\u003e) part designed for reliable, high-performance ignition in residential gas furnaces and boilers. This \u003cstrong\u003esilicon carbide hot surface ignitor\u003c\/strong\u003e (HSI) is engineered to withstand extreme temperatures, reaching ignition heat rapidly to ensure a safe and consistent burner start-up. Choosing an authentic White-Rodgers replacement ensures the exact electrical resistance required by your furnace control board, preventing \"lockout\" errors common with generic alternatives.\u003c\/p\u003e\n\u003cp\u003eBeing a \u003cstrong\u003eGenuine\u003c\/strong\u003e \u003cstrong\u003eOEM \u003c\/strong\u003ecomponent, the \u003cstrong\u003e767A-369\u003c\/strong\u003e features a high-density silicon carbide element and a protective \u003cstrong\u003eceramic base\u003c\/strong\u003e. This specific model is a widely used \"standard\" ignitor for many major HVAC brands, providing a stable \u003cstrong\u003e120V ignition source\u003c\/strong\u003e. Installing the original factory part maintains the system's UL certification and supports the intended safety protocols for efficient combustion. \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Surface Ignition (HSI): \u003c\/strong\u003eProvides safe and reliable ignition by heating a durable element until it glows red hot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM Reliability:\u003c\/strong\u003e Official White-Rodgers replacement engineered for accurate fit and long-term durability in high-heat environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Build: \u003c\/strong\u003eConstructed with premium silicon carbide for fast heat-up times and superior oxidation resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Connection:\u003c\/strong\u003e Features a factory-installed two-pin plug for plug-and-play functionality in compatible systems. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 767A-369\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e White-Rodgers (Emerson)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Hot Surface Ignitor \/ HSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003eSilicon Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage: \u003c\/strong\u003e120 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Wire Length: \u003c\/strong\u003e5.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnitor Element Length:\u003c\/strong\u003e 2 inches (approx.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Style:\u003c\/strong\u003e 2-Pin Male Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Shipping Weight:\u003c\/strong\u003e 1 LB \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip: The \"Visual Crack\" Test\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSilicon carbide ignitors are brittle. If your furnace is failing to ignite, look closely at the dark gray element of the 767A-369. A \"hairline\" white crack or a small white spot often indicates a burnout point where the resistance has failed. Even if it glows slightly, a cracked element will not reach the necessary temperature for ignition and must be replaced. \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe 767A-369 is a direct OEM replacement for the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM \u0026amp; Catalog Numbers:\u003c\/strong\u003e\u003c\/h3\u003e\n767A-369, 767A369, 41-408, 41-402.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eBrand Specific Replacements:\u003c\/strong\u003e\u003c\/h3\u003e\nLennox 41K5601 (Universal Alt), Goodman, Amana, and many others. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNote: Use 'CTRL+F' to search for your specific model:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eStandard 120V Furnace Series:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with a vast array of 120V gas furnaces from brands like Goodman, Amana, Janitrol, and York.\u003c\/li\u003e\n\u003cli\u003eSpecific White-Rodgers Control Systems:\u003c\/li\u003e\n\u003cli\u003eDesigned for use with 50A, 50E, and 50F series ignition modules.\u003c\/li\u003e\n\u003cli\u003eCommonly found in units requiring a 5.25\" lead length with a standard 2-pin connector. \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":52248644911467,"sku":"767A-369","price":49.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/767a-369-Lennox-ignitor.webp?v=1754284601"},{"product_id":"lennox-lb-109261a-hot-surface-ignitor-silicon-nitride-92-watt-80v-60-50-hz","title":"Lennox LB-109261A, Hot Surface Ignitor, Silicon Nitride, 92 Watt, 80V 60\/50 Hz","description":"\u003ch1\u003e\u003cstrong\u003eLennox P\/N LB-109261A (41K56) – Genuine OEM Hot Surface Ignitor, Silicon Nitride, 80V 92W\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLennox LB-109261A\u003c\/strong\u003e (Catalog \u003cstrong\u003e41K56\u003c\/strong\u003e) is a Genuine Original Equipment Manufacturer (OEM) part designed for reliable, high-efficiency ignition in gas furnace systems. This hot surface ignitor (\u003cstrong\u003eHSI\u003c\/strong\u003e) uses electricity to rapidly heat a durable silicon nitride element, ensuring safe and efficient furnace start-up. Choosing this \u003cstrong\u003eOEM \u003c\/strong\u003ereplacement guarantees proper fitment, adherence to safety specifications, and long-term durability. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBeing a \u003cstrong\u003eGenuine OEM \u003c\/strong\u003epart from \u003cstrong\u003eLennox \u003c\/strong\u003eensures precise engineering for optimal compatibility and lifespan. The assembly features a robust, gray silicon nitride element, a standard \u003cstrong\u003e2\u003c\/strong\u003e-\u003cstrong\u003epin \u003c\/strong\u003eAMP connector, and a factory harness for straightforward installation. This part is specifically designed to operate with \u003cstrong\u003eWhite\u003c\/strong\u003e-\u003cstrong\u003eRodgers \u003c\/strong\u003econtrols in \u003cstrong\u003e80V\u003c\/strong\u003e systems. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Surface Ignition (HSI):\u003c\/strong\u003e Provides safe and reliable ignition by heating a durable element until it glows red hot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM Reliability:\u003c\/strong\u003e Official Lennox replacement engineered for accurate fit and long-term durability in high-heat environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Build: \u003c\/strong\u003eConstructed with durable silicon nitride and aluminum oxide ceramics for superior heat resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Connection:\u003c\/strong\u003e Features a factory-installed two-pin AMP connector for plug-and-play functionality in compatible systems. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number: \u003c\/strong\u003eLB-109261A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Lennox (Genuine OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\/Part Number:\u003c\/strong\u003e 41K56 \/ 41K5601\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Hot Surface Ignitor \/ HSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Silicon Nitride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage: \u003c\/strong\u003e80 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 92W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnitor Length:\u003c\/strong\u003e 1.56 inches (54mm element length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Style:\u003c\/strong\u003e 2-Pin AMP receptacle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Shipping Weight:\u003c\/strong\u003e 1 LB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e🛠️ HVAC Depot Pro Tip: Handle with Care \u003c\/h2\u003e\n\u003cp\u003eTo prevent immediate or premature failure of your new HSI, always handle the part by its white ceramic base only, and never touch the gray or black ignitor element with bare hands. Oils from the skin create hot spots on the element, leading to rapid deterioration. Ensure the power is off at the breaker during installation. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe LB-109261A is a direct OEM replacement for the following part numbers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM \u0026amp; Catalog Numbers\u003c\/strong\u003e\u003c\/h3\u003e\n: 41K56, 41K5601, LB-109261A.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eAlternate\/Vendor P\/Ns:\u003c\/strong\u003e\u003c\/h3\u003e\nWhite Rodgers 768A-4, 768A-844. \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNote: Use 'CTRL+F' to search for your specific model:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox 80MGF Series:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e80MGF-75-11\u003c\/li\u003e\n\u003cli\u003e80MGF2-45A (all revisions)\u003c\/li\u003e\n\u003cli\u003e80MGF2-60A (all revisions)\u003c\/li\u003e\n\u003cli\u003e80MGF2-75A (all revisions)\u003c\/li\u003e\n\u003cli\u003e80MGF2-75S (all revisions)\u003c\/li\u003e\n\u003cli\u003e80MGF3\/4-100A (all revisions)\u003c\/li\u003e\n\u003cli\u003e80MGF3\/4-100S (all revisions)\u003c\/li\u003e\n\u003cli\u003e80MGF3\/4-120A (all revisions)\u003c\/li\u003e\n\u003cli\u003e80MGF3\/4-120S (all revisions) \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOther Compatible Series (Examples):\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eG26Q3-75-6\u003c\/li\u003e\n\u003cli\u003eG40UH-36A-070-3\u003c\/li\u003e\n\u003cli\u003eG50UH-36A-070-2\u003c\/li\u003e\n\u003cli\u003eG51MP-36B-070-1, G51MP-36B-070-2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":52451506159979,"sku":"66255119398","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/LB-109261A_1335db06-2692-4e1c-8844-9025cee8bc97.jpg?v=1761668836"},{"product_id":"lennox-lb-112237a-hot-surface-ignitor-assembly-95-vac-19w61-75m21","title":"Lennox LB-112237A Hot Surface Ignitor Assembly, 95 VAC | 19W61\/75M21 Specs","description":"\u003ch1\u003e\u003cstrong\u003eLennox LB-112237A Hot Surface Ignitor Assembly, 95 VAC | 19W61\/75M21 Specs\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a Genuine Original Equipment Manufacturer (\u003cstrong\u003eOEM\u003c\/strong\u003e) \u003cstrong\u003eLennox part \u003c\/strong\u003edesigned to provide reliable ignition in gas furnace systems. The hot surface ignitor (\u003cstrong\u003eHSI\u003c\/strong\u003e) uses electricity to heat a \u003cstrong\u003esilicon nitride\u003c\/strong\u003e element to a temperature sufficient to ignite the gas burner, ensuring safe and efficient furnace start-up.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Fit \u0026amp; Function:\u003c\/strong\u003e As a genuine Lennox part, it is engineered to exact specifications, ensuring a direct fit and optimal performance in compatible units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Material:\u003c\/strong\u003e Made of durable silicon nitride and aluminum oxide ceramics for superior heat resistance and an extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Ignition:\u003c\/strong\u003e Ensures fast, consistent, and safe ignition, which in turn reduces wait time for heating and prevents nuisance faults in the control system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Designed with a standard two-pin AMP connector and factory wiring harness for straightforward, tool-free installation into existing systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details \u0026amp; Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Lennox\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type: \u003c\/strong\u003eHot Surface Ignitor (HSI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003eSilicon Nitride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 95 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage (AMPs):\u003c\/strong\u003e 0.34\/0.9A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 19W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnitor Length:\u003c\/strong\u003e 1.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Length:\u003c\/strong\u003e 12 inches (approx.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Style:\u003c\/strong\u003e 2-Pin AMP connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarm-up Time: \u003c\/strong\u003e20 seconds (approx.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Shipping Weight: \u003c\/strong\u003e 1 LB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip: Handle with Care\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTo prevent premature failure of your new hot surface ignitor, always handle it by the white ceramic base only, and avoid touching the gray\/black silicon carbide ignitor element itself. Oils from the skin can create hot spots on the element, leading to early failure. Always turn off the power at the circuit breaker before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis part number has several cross-references for various brands and revisions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperseded\/Current P\/N:\u003c\/strong\u003e 19W61 (Current Lennox Catalog Number)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegacy P\/Ns:\u003c\/strong\u003e LB-112237A, LB112237A, 19W6101\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate\/Vendor P\/Ns:\u003c\/strong\u003e 75M21, 75M2101, LXT-01A, 100536-01, LB-47175D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrawing Numbers:\u003c\/strong\u003e 1220-481430, T002698844\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNote: Use 'CTRL+F' to search for your specific model:\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox G40 Series (Standard Efficiency Upflow\/Horizontal):\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eG40DF-24, G40DF-36, G40DF-48, G40DF-60\u003c\/li\u003e\n\u003cli\u003eG40UH-36, G40UH-48, G40UH-60\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox G43 Series (Standard Efficiency Downflow):\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eG43DF-24, G43DF-36, G43DF-48, G43DF-60\u003c\/li\u003e\n\u003cli\u003eG43UH-36, G43UH-48, G43UH-60\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox G60 Series (Two-Stage Variable Speed):\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eG60UH-36, G60UH-48, G60UH-60\u003c\/li\u003e\n\u003cli\u003eG60UH-72, G60UH-90, G60UH-120\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox G61 Series (High Efficiency Single-Stage):\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eG61MP-36, G61MP-48, G61MP-60\u003c\/li\u003e\n\u003cli\u003eG61MP-72, G61MP-90, G61MP-120\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox G71 Series (High Efficiency Modulating):\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eG71MPP-36, G71MPP-48, G71MPP-60\u003c\/li\u003e\n\u003cli\u003eG71MPP-72, G71MPP-90, G71MPP-120\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":52611921314155,"sku":"66255154884","price":125.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/19W61.jpg?v=1764018389"},{"product_id":"lennox-73k38-spark-ignitor-2-65-electrode-length-73k3801","title":"Lennox 73K38, Spark Ignitor, 2.65\" Electrode Length 73K3801","description":"\u003ch1\u003e\u003cstrong\u003eLennox P\/N 73K38 (73K3801) – Genuine OEM Spark Ignitor (DSI) Assembly\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLennox 73K38 \u003c\/strong\u003e(Catalog 73K38) is a genuine OEM \u003cstrong\u003eDirect Spark Ignitor\u003c\/strong\u003e (DSI) and \u003cstrong\u003eflame sensor assembly\u003c\/strong\u003e designed for specialized Lennox, Armstrong, and Ducane gas furnaces. Unlike standard hot surface ignitors, this component uses \u003cstrong\u003ehigh-voltage electricity\u003c\/strong\u003e to create a consistent spark that instantly ignites the gas burners. It plays a critical role in the furnace's automated ignition sequence, ensuring efficient combustion and safe operation throughout the heating cycle. \u003c\/p\u003e\n\u003cp\u003eBeing a Genuine \u003cstrong\u003eOEM\u003c\/strong\u003e part \u003cstrong\u003efrom Lennox \u003c\/strong\u003eensures precise timing and reliable sparking under demanding combustion conditions. This assembly features a durable \u003cstrong\u003e2.65\u003c\/strong\u003e\" electrode length and a compact \"\u003cstrong\u003eL-shaped\u003c\/strong\u003e\" bracket for easy integration into the burner housing. Choosing the original factory replacement guarantees accurate fitment and supports the intended system safety protocols, preventing the erratic ignition issues common with low-quality aftermarket electrodes. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Spark Ignition (DSI):\u003c\/strong\u003e Delivers a consistent, high-voltage spark for fast and reliable burner startups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM Reliability:\u003c\/strong\u003e Official Lennox replacement engineered for accurate fit and long-term durability in high-heat environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Design:\u003c\/strong\u003e Serves as both the ignition electrode and the flame sensing rod in specific DSI-equipped models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Constructed to withstand the harsh conditions of the combustion chamber without degradation. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 73K38\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Lennox (Genuine OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\/Part Number: \u003c\/strong\u003e73K3801\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Spark Ignitor \/ Spark Electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrode Style:\u003c\/strong\u003e L-Shaped\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrode Length:\u003c\/strong\u003e 2.65\" (approx. 2 5\/8\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Shipping Weight:\u003c\/strong\u003e 1 LB \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip: The Electrode Gap\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor a reliable spark, the gap between the electrode tip and the burner surface must be exact (typically around 1\/8\"). Over time, heat can cause electrodes to warp. When installing the 73K3801, always verify the gap matches the manufacturer's specification. A gap that is too wide will fail to spark, while one that is too narrow may ground out and prevent ignition. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eThe 73K3801 is a direct OEM replacement for the following part numbers: \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM \u0026amp; Catalog Numbers:\u003c\/strong\u003e\u003c\/h3\u003e\n73K38, 73K3801, 43K31.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eReference Numbers:\u003c\/strong\u003e\u003c\/h3\u003e\nPSE-L39, Ref: L39, Ignitor DSI. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNote: Use 'CTRL+F' to search for your specific model:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox 80MGF Series:\u003c\/strong\u003e\u003c\/h3\u003e\n80MGF2-45A, 80MGF2-60A, 80MGF2-75A, 80MGF2-75S, 80MGF3-75A-1.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eOther Compatible Models:\u003c\/strong\u003e\u003c\/h3\u003e\nVarious Lennox furnaces using DSI technology, including specific configurations for model 62K50. \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":52611927638379,"sku":"66255131954","price":45.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/73K38.jpg?v=1764018936"},{"product_id":"lennox-70w16-lb-112237b-hot-surface-ignitor-100536-03-assembly-120-vac","title":"Lennox P\/N LB-112237B (70W16) – Genuine OEM Silicon Nitride HSI Kit","description":"\u003ch1\u003e\u003cstrong\u003eLennox P\/N LB-112237B (70W16) – Genuine OEM Silicon Nitride HSI Kit\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLennox LB-112237B\u003c\/strong\u003e (Catalog \u003cstrong\u003e70W16\u003c\/strong\u003e) is a genuine \u003cstrong\u003eOEM silicon nitride \u003c\/strong\u003ehot surface \u003cstrong\u003eignitor \u003c\/strong\u003e(HSI) kit designed for a wide range of Lennox, Armstrong, and Ducane gas furnaces. This comprehensive \u003cstrong\u003ekit \u003c\/strong\u003eprovides everything needed to \u003cstrong\u003ereplace \u003c\/strong\u003ethe \u003cstrong\u003eignition \u003c\/strong\u003eassembly. The critical component is the Kyocera LXT-03 ignitor, which uses electrical resistance to rapidly heat up and ignite the furnace's gas supply.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBeing a Genuine \u003cstrong\u003eOEM \u003c\/strong\u003epart ensures optimal compatibility and reliable, safe operation. The high-quality silicon nitride construction provides a fast warm-up time and superior durability compared to older silicon carbide designs. This complete kit guarantees a \"\u003cstrong\u003eplug-and-play\u003c\/strong\u003e\" fit, preventing nuisance ignition failures and maintaining your furnace's safety certifications.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid, Reliable Ignition:\u003c\/strong\u003e Provides a nominal 20-second warm-up for consistent burner ignition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM Reliability: \u003c\/strong\u003eOfficial part from Lennox\/Kyocera, guaranteeing perfect fitment and validated functionality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit Solution:\u003c\/strong\u003e Includes the ignitor, bracket, foam spacer, gasket, and required labels for a full, compliant repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Silicon Nitride Build:\u003c\/strong\u003e High-quality material provides a long lifespan and resistance to thermal shock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number (Lennox): \u003c\/strong\u003eLB-112237B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer (Lennox Catalog #):\u003c\/strong\u003e 70W16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer (Kyocera Model #):\u003c\/strong\u003e LXT-03 (100536-03)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Hot Surface Ignitor (HSI) Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp Draw:\u003c\/strong\u003e 0.36 - 0.65 amps @ 120 volts (steady state)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnitor Resistance:\u003c\/strong\u003e 39-70 Ohms @ 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Shipping Weight:\u003c\/strong\u003e \u003cstrong\u003e1\u003c\/strong\u003e LB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Contains:\u003c\/strong\u003e Kyocera LXT-03 Ignitor w\/ Bracket, Foam (LB-109263), Ignitor Gasket (102807-01), Label (580323-01).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip: The Gasket is Crucial\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe included ignitor gasket (102807-01) is vital for creating a proper, airtight seal around the ignitor assembly mounting point. Reusing an old, brittle gasket can lead to air leaks in the combustion chamber, which can disrupt airflow and cause ignition failures or safety lockouts. Always replace the gasket when replacing the ignitor assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eThe LB-112237B is a direct OEM replacement for the following part numbers:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM \u0026amp; Catalog Numbers:\u003c\/strong\u003e\u003c\/h3\u003e\nLB-112237B, 70W16, 70W1601, 100536-02, 100536-03, LXT-03, LTX-02.\u003c\/li\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eWhite-Rodgers\/Aftermarket Cross-Refs:\u003c\/strong\u003e\u003c\/h3\u003e\n789A-801A1, 41-430N, SN081KX.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eNote: This ignitor is used in hundreds of Lennox, Armstrong, and Ducane models. Use 'CTRL+F' to search for your specific model:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch3\u003e\u003cstrong\u003eLennox: \u003c\/strong\u003e\u003c\/h3\u003e\nCompatible with many models in the G40, G43, G60, G61, and G71 series, as well as various A80, A93, and A95 series furnaces.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":52642138325355,"sku":"66255141539","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/70W16.jpg?v=1764708969"}],"url":"https:\/\/tophvacparts.com\/collections\/lennox-furnace-ignitors-genuine-oem-replacement-parts.oembed","provider":"HVAC Parts and Equipment Depot","version":"1.0","type":"link"}