{"product_id":"000-379","title":"000-379","description":"Ensure the safety and efficiency of your heating system with this premium Lennox Auto-Reset High Limit Switch. This critical HVAC safety component is designed to monitor the temperature within the heat exchanger, providing essential protection against overheating. Featuring a 7-inch insertion probe for precise thermal detection, the switch is calibrated to automatically interrupt the heating cycle if temperatures reach 220°F and will automatically reset once the unit cools by 30°F. Ideal for furnace repair and maintenance, this limit control helps prevent damage to the heat exchanger and ensures your forced-air system operates within safe thermal parameters. If your blower fan is running constantly or your burner is cycling off prematurely, this high-limit control switch is a reliable solution for restoring peak performance.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: 7-inch insert\u003cbr\u003e\nDimensions: 7-inch insertion depth\u003cbr\u003e\nApplication: Used in residential and commercial gas or oil furnaces, air handlers, and forced-air heating systems to monitor heat exchanger temperatures and provide thermal overload protection.\u003cbr\u003e\nSpecifications: Temperature Limit: 220°F (L220); Differential: 30°F (30F); Reset Type: Automatic; Probe Length: 7 inches; Mounting: Flange-mount insertion.","brand":"BCFurnace","offers":[{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L220-30F, 7\" INSERT \/ 000-379","offer_id":50341561729309,"sku":null,"price":145.23,"currency_code":"CAD","in_stock":true},{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L220-30F, 7\" INSERT \/ 36K30","offer_id":50341561762077,"sku":null,"price":145.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/022c952cfa094884ab4c250565b2e3b2.webp?v=1773960812","url":"https:\/\/bcfurnace.myshopify.com\/products\/000-379","provider":"BCFurnace","version":"1.0","type":"link"}