{"product_id":"543-165","title":"543-165","description":"Ensure the safety and efficiency of your residential heating system with this premium 3-inch high limit switch. Designed as a critical safety component for forced-air HVAC furnaces, this thermal limit control monitors internal temperatures to prevent the heat exchanger from overheating. The switch is engineered to automatically interrupt the heating circuit if the air temperature exceeds the pre-set safety threshold, protecting your equipment from damage and ensuring safe operation. Featuring an automatic reset function, this reliable replacement part is an essential component for routine furnace maintenance and repair, helping to restore proper airflow and heat regulation to your home heating system.\u003cbr\u003e\nType: Furnace High Limit Safety Control\u003cbr\u003e\nSize: 3-inch probe depth\u003cbr\u003e\nDimensions: 3 inches (insertion depth)\u003cbr\u003e\nApplication: Used in gas and electric residential furnaces, forced-air heating systems, and HVAC air handlers to prevent over-temperature conditions.\u003cbr\u003e\nSpecifications: Fixed temperature limit of 165°F with a 30°F reset differential; normally closed (NC) electrical configuration; automatic reset functionality.","brand":"BCFurnace","offers":[{"title":"3\" HIGH LIMIT SWITCH L165-30F \/ 543-165","offer_id":47250953535773,"sku":null,"price":78.57,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L165-30F \/ 38M07","offer_id":47250953568541,"sku":null,"price":78.57,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L165-30F \/ 38M0701","offer_id":47250953601309,"sku":null,"price":78.57,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L165-30F \/ 56W22","offer_id":50881076592925,"sku":null,"price":78.57,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L165-30F \/ L165-30F","offer_id":47250953634077,"sku":null,"price":78.57,"currency_code":"CAD","in_stock":true},{"title":"3\" HIGH LIMIT SWITCH L165-30F \/ R46105-003","offer_id":50881076625693,"sku":null,"price":78.57,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/8d2898456b3748efaf3b283f88674848.webp?v=1773957013","url":"https:\/\/bcfurnace.myshopify.com\/products\/543-165","provider":"BCFurnace","version":"1.0","type":"link"}