{"product_id":"2-pack-r20017402-52m73-rollout-switch-l350f-replacement-furnace-limit-switch-compatible-with-lennox-ducane-armstrong-armstrong-high-temp-safety-cutoff","title":"2-Pack R20017402 52M73 Rollout Switch L350F, Replacement Furnace Limit Switch Compatible with Lennox\/Ducane\/Armstrong, Armstrong - High Temp Safety Cutoff","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWide Compatibility: Engineered as a drop-in replacement limit switch compatible with Lennox, Ducane, and Armstrong gas furnaces. verify your model before ordering.\u003c\/li\u003e\n\u003cli\u003eManual Reset L350F: Trips precisely at 350°F to cut burner power and prevent overheating. Once fully cooled, simply press the reset button; manual reset ensures you address the root issue before restarting.\u003c\/li\u003e\n\u003cli\u003eCritical Safety Protection: Instantly interrupts power if internal temperature exceeds 350°F. Prevents heat exchanger overheating, component burnout, and fire hazards while maintaining efficient heating cycles.\u003c\/li\u003e\n\u003cli\u003ePremium Materials: Constructed from high-temp bakelite and stainless steel with anti-oxidation contacts. Resists corrosion, erosion, and sticking for consistent on\/off action and long service life.\u003c\/li\u003e\n\u003cli\u003eReplacement parts: Replaces R20017402 52M73. Perfect for immediate repairs or keeping a spare—no downtime when you need heat most.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43330937454801,"sku":"BW-B0GLPDFYDV","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61iHE6kVXYL._SL1500.jpg?v=1790358191","url":"https:\/\/belmontwarehouse.com\/products\/2-pack-r20017402-52m73-rollout-switch-l350f-replacement-furnace-limit-switch-compatible-with-lennox-ducane-armstrong-armstrong-high-temp-safety-cutoff","provider":"Belmont Warehouse","version":"1.0","type":"link"}