{"product_id":"545-135","title":"545-135","description":"This 5-inch furnace high limit switch is a critical safety component for residential heating systems and forced-air gas furnaces. Designed to prevent equipment damage and ensure safe operation, this thermal control switch monitors the temperature of the heat exchanger. It acts as a fail-safe by automatically interrupting power to the heating cycle if the internal temperature exceeds safe limits. Featuring an automatic reset functionality, it restores operation once the unit has cooled to a safe level. This durable replacement part is essential for HVAC maintenance, helping to protect your furnace from overheating and potential fire hazards while maintaining consistent airflow safety.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 5-inch insertion depth\u003cbr\u003e\nDimensions: 5 in\u003cbr\u003e\nApplication: Used in forced-air gas furnaces and HVAC systems to monitor heat exchanger temperatures and provide overheat protection.\u003cbr\u003e\nSpecifications: Opening temperature: 135°F; Reset differential: 30°F; Automatic reset; 5-inch probe length; SPST (Single Pole Single Throw) configuration.","brand":"BCFurnace","offers":[{"title":"5\" HIGH LIMIT SWITCH L135-30F \/ 545-135","offer_id":47251056656669,"sku":null,"price":117.09,"currency_code":"CAD","in_stock":true},{"title":"5\" HIGH LIMIT SWITCH L135-30F \/ 102857-01","offer_id":47251056722205,"sku":null,"price":117.09,"currency_code":"CAD","in_stock":true},{"title":"5\" HIGH LIMIT SWITCH L135-30F \/ 71W41","offer_id":47251056689437,"sku":null,"price":117.09,"currency_code":"CAD","in_stock":true},{"title":"5\" HIGH LIMIT SWITCH L135-30F \/ L135-30F..","offer_id":47251056754973,"sku":null,"price":117.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/a8078fc17f31487da33fa7014ad6abe9.webp?v=1773957417","url":"https:\/\/bcfurnace.myshopify.com\/products\/545-135","provider":"BCFurnace","version":"1.0","type":"link"}