{"product_id":"s1-7970-3281-a-source-1-appliance-limit-switch","title":"Source 1 S1-7970-3281\/A HVAC Furnace Appliance Limit Switch","description":"\u003cstrong\u003e\u003cspan style=\"font-size:20px;\"\u003eS1-7970-3281\/A Source 1 Appliance Limit Switch\u003c\/span\u003e\u003c\/strong\u003e\n\n\u003cp\u003eRestore your appliance's performance with the genuine OEM Source 1  — the factory-certified replacement that fits perfectly and lasts.\u003c\/p\u003e\n\n\u003cp\u003eProtects your furnace from overheating damage and prevents the blower from circulating cold air at the start and end of a heating cycle. A bi-metal disc or rod element expands as temperature rises, closing the fan contacts at the set \"on\" temperature and opening the limit contacts at the high-limit temperature to shut off the burner. Installing this certified OEM part ensures your appliance operates exactly as designed, protects your investment, and avoids the reliability risks of aftermarket alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003e\n• Product Type: Fan Control \/ Limit Switch\u003cbr\u003e\n• Compatibility: Compatible with major appliance and HVAC brands including Whirlpool, Samsung, LG, Carrier, Rheem, Goodman, Trane, and York.\u003cbr\u003e\n• Manufacturer: Source 1 — Genuine OEM Original Part\u003cbr\u003e\n• Common Symptoms Fixed: Replace if the furnace overheats and shuts down repeatedly, the blower runs continuously without heat, or a multimeter test shows the switch contacts are open at room temperature\n\u003c\/p\u003e\n\n\u003ch3\u003ePart#  Replaces the Following:\u003c\/h3\u003e\n\u003cp\u003erefer to your parts diagram for alternate part numbers\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine OEM Quality:\u003c\/strong\u003e The Source 1  is an authentic factory-original part, guaranteeing a perfect fit and optimal performance without the guesswork of aftermarket alternatives. Every dimension, connector, and operating specification matches the original exactly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRestored Performance:\u003c\/strong\u003e Protects your furnace from overheating damage and prevents the blower from circulating cold air at the start and end of a heating cycle. This replacement part brings your appliance back to factory-specified performance levels so you can rely on it every day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to the same exacting standards as the original component, this part is engineered to withstand the thermal cycling, vibration, and mechanical stresses of daily appliance use — delivering years of reliable service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Designed as a direct plug-in replacement with identical connectors, dimensions, and mounting points as the original. No modifications, adapters, or special tools required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e While manufactured by Source 1, this part is compatible with appliances across multiple brands including major appliance and HVAC brands including Whirlpool, Samsung, LG, Carrier, Rheem, Goodman, Trane, and York. One part number solves the problem across a wide range of models.\u003c\/p\u003e\n\n\u003cp\u003eDon't let a failed fan control \/ limit switch disrupt your daily routine any longer. Order the Source 1  today and restore your appliance to peak performance — with the confidence that only a genuine OEM part can deliver.\u003c\/p\u003e","brand":"Source 1","offers":[{"title":"Default Title","offer_id":52286544544041,"sku":null,"price":59.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/6094\/8265\/files\/1....._99ea9f43-9535-4519-acf4-cece84c360f9.png?v=1778787351","url":"https:\/\/www.sundico.com\/products\/s1-7970-3281-a-source-1-appliance-limit-switch","provider":"Sundico","version":"1.0","type":"link"}