{"product_id":"69m38-lennox-105-135f-auto-limit-switch","title":"69M38 Lennox 105-135F AUTO Limit Switch","description":"\u003ch1\u003e69M38 Lennox 105-135F AUTO Limit Switch\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces: \u003c\/strong\u003e69M3801\u003c\/p\u003e\n\u003ch1\u003e\u003cstrong\u003e69M38 Lennox 105–135°F Auto Limit Switch\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eA dependable OEM‑grade replacement designed to protect your furnace and maintain safe, efficient operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e⭐ Product Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e69M38 Lennox 105–135°F Auto Limit Switch\u003c\/strong\u003e is a temperature‑sensing safety control used in a wide range of Lennox heating systems. This automatic reset limit switch monitors internal furnace temperatures and opens the circuit if overheating occurs, preventing heat exchanger damage and ensuring safe system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered for reliability, this switch restores normal operation automatically once temperatures return to a safe range — making it an essential component for consistent furnace protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e🔄 \u003cstrong\u003eReplaces\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e69M3801\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eKey Features\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAutomatic reset for continuous protection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFactory‑specified temperature range: \u003cstrong\u003e105°F–135°F\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHelps prevent overheating and system shutdowns\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM‑grade performance and fit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDurable construction for long service life\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📦 \u003cstrong\u003eCommon Applications\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLennox furnaces and heating units requiring a 105–135°F auto limit switch\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRoutine maintenance, safety repairs, and system tune‑ups\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🧰 \u003cstrong\u003eWhy Choose This Limit Switch\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eTechnicians rely on this switch for its accuracy, durability, and consistent performance. Whether you’re replacing a failed limit or performing preventative maintenance, the 69M38 ensures your furnace operates safely and efficiently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eIf you want, I can also generate:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA \u003cstrong\u003eshorter retail‑style version\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA \u003cstrong\u003elong‑form SEO landing page\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA \u003cstrong\u003etechnician‑binder description\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA \u003cstrong\u003ecross‑sell block\u003c\/strong\u003e for related limits, rollouts, or blower switches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":42929948524610,"sku":"69M38","price":38.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-01-23110224.png?v=1769191382","url":"https:\/\/hvacpartstore.com\/products\/69m38-lennox-105-135f-auto-limit-switch","provider":"HVACpartstore","version":"1.0","type":"link"}