{"product_id":"543-250","title":"543-250","description":"This high-limit safety control is a precision-engineered thermal switch designed to monitor and regulate internal temperatures within heating equipment. It serves as a critical safety device that interrupts the electrical circuit if temperatures exceed a predetermined safe threshold, preventing overheating and potential damage to system components. The switch is designed to automatically reset once the temperature has cooled by a specific differential, ensuring continuous protection without manual intervention.\u003cbr\u003e\nType: High Limit Safety Control Switch\u003cbr\u003e\nSize: 3-inch insertion depth\u003cbr\u003e\nDimensions: 3 inches\u003cbr\u003e\nApplication: Commonly used in residential and commercial forced-air furnaces, air handlers, and HVAC systems to protect heat exchangers and internal assemblies from overheating.\u003cbr\u003e\nSpecifications: Cut-out temperature: 250°F; Reset differential: 40°F; Automatic reset configuration; Single-pole single-throw (SPST) circuitry.","brand":"BCFurnace","offers":[{"title":"3\" HIGH LIMIT SWITCH L250-40F \/ 543-250","offer_id":47250966577437,"sku":null,"price":89.76,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L250-40F \/ HH12ZB250","offer_id":47250966610205,"sku":null,"price":89.76,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L250-40F \/ L250-40F.","offer_id":47250966642973,"sku":null,"price":89.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/43a56b84ab184c88b824ee52b85184a8.webp?v=1773957002","url":"https:\/\/bcfurnace.myshopify.com\/products\/543-250","provider":"BCFurnace","version":"1.0","type":"link"}