{"product_id":"543-002","title":"543-002","description":"Ensure the safety and efficiency of your heating system with this premium 3-inch high limit control switch. Designed as a critical thermal safety component for furnaces and air handlers, this switch monitors the temperature within the heat exchanger. It acts as a fail-safe by automatically cutting power to the heating element or burner if the unit exceeds safe operating temperatures, preventing damage and potential fire hazards. This auto-reset thermal cutout features a 130-degree Fahrenheit trip point and a 30-degree differential, ensuring your HVAC system returns to operation only after cooling to a safe level. Ideal for furnace repair and routine maintenance, this durable sensor is essential for maintaining consistent climate control and extending the lifespan of your heating equipment.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 3-inch insertion depth\u003cbr\u003e\nDimensions: 3 in\u003cbr\u003e\nApplication: Commonly used in residential furnaces, air handlers, and forced-air heating systems to prevent overheating and protect the heat exchanger.\u003cbr\u003e\nSpecifications: Opens at 130°F; closes with a 30°F differential; automatic reset; 3-inch probe length.","brand":"BCFurnace","offers":[{"title":"3\" HIGH LIMIT SWITCH L130-30F \/ 543-002","offer_id":47251345441053,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L130-30F \/ 10G52","offer_id":47251345473821,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L130-30F \/ 10G5201","offer_id":47251345506589,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L130-30F \/ L130-30F","offer_id":47251345539357,"sku":null,"price":68.83,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/2f54418fe00543898b9b3367226bd41b.webp?v=1773958255","url":"https:\/\/bcfurnace.myshopify.com\/products\/543-002","provider":"BCFurnace","version":"1.0","type":"link"}