{"product_id":"lennox-49l88-limit-switch","title":"Lennox 49L88 Limit Switch","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 49L88 Limit Switch\u003c\/strong\u003e is a Lennox limit switch for HVAC repair and replacement work. Use it when the part number \u003cstrong\u003e49L88\u003c\/strong\u003e and the listed specifications match the equipment being serviced.\u003c\/p\u003e\n\u003cp\u003e49L88 is an official OEM Limit Switch for Lennox HVAC equipment.\u003c\/p\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Limit Switch\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\u003cp\u003eCaptured equipment fit data references models including G40DF-48C-110-14, G40DF-48C-110-3, G40DF-48C-110-7, G40UH-24A-045-1, G40UH-24A-045-15, G40UH-24A-045-17, G40UH-24A-045-6, G40UH-24A-045-7, G40UH-24A-045X-1, G40UH-24A-045X-2, G40UH-24A-045X-5, G40UH-24A-045X-6. Verify the complete unit model and service manual before installation.\u003c\/p\u003e\n\u003ch3\u003eExpert Verdict\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eReviewed by the SuperArbor Pro Desk:\u003c\/strong\u003e choose this part when the existing component label and unit documentation match 49L88 and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch4\u003eWhat is the Lennox 49L88 used for?\u003c\/h4\u003e\u003cp\u003eIt is a limit switch for compatible Lennox HVAC equipment. Match the part number 49L88 and the equipment service literature before ordering or installing.\u003c\/p\u003e\u003ch4\u003eWhich specs should I verify before purchase?\u003c\/h4\u003e\u003cp\u003eVerify the spec set shown for this part: Product Type: Limit Switch. The replacement should match the existing component and the unit documentation.\u003c\/p\u003e\u003ch4\u003eHow do I confirm this is the right replacement?\u003c\/h4\u003e\u003cp\u003eCompare the part number 49L88, the limit switch description, and any unit model references with the original component and the service manual.\u003c\/p\u003e\u003ch4\u003eWhich equipment models are referenced in the fit data?\u003c\/h4\u003e\u003cp\u003eCaptured fit data references models such as G40DF-48C-110-14, G40DF-48C-110-3, G40DF-48C-110-7, G40UH-24A-045-1, G40UH-24A-045-15, G40UH-24A-045-17. Treat this as a fitment aid and verify the complete model list in the equipment documentation.\u003c\/p\u003e\u003ch4\u003eWho should install this HVAC component?\u003c\/h4\u003e\u003cp\u003eA qualified HVAC technician should install and test the limit switch. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.\u003c\/p\u003e\n\n\u003ch3\u003eSafety and Installation Notes\u003c\/h3\u003e\n\u003cp\u003eDisconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":53097436840303,"sku":"49L88","price":29.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/49l88-3.jpg?v=1781013005","url":"https:\/\/superarbor.io\/products\/lennox-49l88-limit-switch","provider":"Super Arbor","version":"1.0","type":"link"}