{"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\/products\/lennox-70w16-lb-112237b-hot-surface-ignitor-100536-03-assembly-120-vac","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}