{"product_id":"543-038","title":"543-038","description":"Ensure the safety and efficiency of your heating system with this professional-grade 3-inch high limit switch. Designed as a critical safety component for furnaces and HVAC units, this temperature limit control acts as a thermal cutout to prevent overheating. The switch is engineered to automatically interrupt the electrical circuit if the internal temperature exceeds safe operating parameters, specifically tripping at 250°F and resetting after a 30°F cooling period. This reliable replacement part is essential for maintaining optimal airflow and protecting your appliance from heat-related damage. Whether you are performing routine maintenance or a critical repair, this high-limit sensor provides the precision and durability needed for consistent climate control performance.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 3-inch probe insertion\u003cbr\u003e\nDimensions: 3 in\u003cbr\u003e\nApplication: Gas-fired furnaces, residential HVAC systems, rooftop heating units, and commercial forced-air climate control systems.\u003cbr\u003e\nSpecifications: Temperature Open: 250°F; Temperature Close: 220°F (30°F differential); Automatic reset; Fixed temperature limit.","brand":"BCFurnace","offers":[{"title":"3\" HIGH LIMIT SWITCH L250F-30F \/ 543-038","offer_id":47250942492957,"sku":null,"price":91.53,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L250F-30F \/ 46K72","offer_id":47250942525725,"sku":null,"price":91.53,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L250F-30F \/ 46K7201","offer_id":47250942558493,"sku":null,"price":91.53,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L250F-30F \/ L250F-30","offer_id":47250942624029,"sku":null,"price":91.53,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L250F-30F \/ R40154B012","offer_id":47250942591261,"sku":null,"price":91.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/9d342ec819c1472bac40f7761949130d.webp?v=1773958660","url":"https:\/\/bcfurnace.myshopify.com\/products\/543-038","provider":"BCFurnace","version":"1.0","type":"link"}