{"product_id":"furnace-limit-switch-3-inch-insert-c340056p04-repl","title":"Furnace Limit Switch 3 Inch Insert C340056P04 Replacement Part For Trane American Standard Heaters 190 Degree Safety Cutoff Plug And Play Easy Install No Tools Needed Keeps Your Furnace From Overheating","description":"\u003cdiv\u003eSingle-Unit 190°F Furnace Limit Switch Insert, 3 Inch\u003cbr\u003e\n✔️ 3 inch insert, 190 degree limit with plug-and-play install\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis limit switch is a safety device that shuts a furnace off if temperatures get too high, helping prevent overheating and protecting the furnace fan and overall heating system. It’s a common replacement part for residential furnaces and is designed for easy drop-in installation on compatible units.\u003c\/p\u003e ✅ Replaces L190-30F, SWT01259 and furnace fan limit switches \u003cbr\u003e\n✅ 190-degree cutoff rating provides reliable overheat protection \u003cbr\u003e\n✅ 3 inch insert size for straightforward, tool-free replacement \u003cbr\u003e\n✅ Plug-and-play install with no hardware modifications \u003cbr\u003e\n✅ Green housing helps clear labeling and quick identification \u003cbr\u003e\n✅ Compatible with common furnace models and standard safety setups \u003cbr\u003e \u003cp\u003e💡 What is a furnace limit switch used for in home heating systems?\u003c\/p\u003e \u003cp\u003eThese switches act as safety cutoffs, stopping the furnace when the temperature hits the trigger point. They’re a handy, simple upgrade that helps prevent damage and downtime due to overheating.\u003c\/p\u003e \u003cp\u003e💡 \u003cbr\u003e\n- What problems does a faulty limit switch cause? Overheating, furnace shutdowns, and potential component wear\u003cbr\u003e\n- How easy is a typical replacement? Very handy; designed for plug‑and‑play installs with no special tools\u003cbr\u003e\n- Why choose a 190°F limit switch? It provides targeted protection for standard heating cycles and reduces risk of overheating\u003c\/p\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48110888190187,"sku":"VXB0DK5HZH5P","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51yWya3kHCL.jpg?v=1776492009","url":"https:\/\/vxb.com\/products\/furnace-limit-switch-3-inch-insert-c340056p04-repl","provider":"VXB Bearings","version":"1.0","type":"link"}