{"product_id":"543-060","title":"543-060","description":"Ensure the safety and efficiency of your heating system with this 3-inch high limit switch. Designed as a critical thermal safety control for forced-air furnaces and HVAC equipment, this L120-30F switch monitors air temperature and automatically interrupts the electrical circuit if internal temperatures exceed safe operating limits. This prevents overheating and protects the heat exchanger from potential damage. A vital replacement part for residential and commercial heating repairs, it features a reliable automatic reset function and a 3-inch probe for accurate temperature sensing within the air stream. Maintaining a functional high limit sensor is essential for preventing fire hazards and ensuring your heating unit operates within manufacturer safety parameters.\u003cbr\u003e\nType: HVAC High Limit Control Switch\u003cbr\u003e\nSize: 3-inch probe depth\u003cbr\u003e\nDimensions: 3 inches\u003cbr\u003e\nApplication: Commonly used in gas furnaces, electric heaters, and air handling units as a safety cutout to prevent overheating.\u003cbr\u003e\nSpecifications: Trip Temperature: 120°F; Differential: 30°F; Reset Type: Automatic; Contact Configuration: Normally Closed (NC)","brand":"BCFurnace","offers":[{"title":"3\" HIGH LIMIT SWITCH L120-30F \/ 543-060","offer_id":50965668135197,"sku":null,"price":220.14,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L120-30F \/ C340056P11","offer_id":50965668200733,"sku":null,"price":220.14,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L120-30F \/ SWT01936","offer_id":50965668167965,"sku":null,"price":220.14,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/036476e3101c49f7a98d4d19a4d8211f.webp?v=1773967119","url":"https:\/\/bcfurnace.myshopify.com\/products\/543-060","provider":"BCFurnace","version":"1.0","type":"link"}