{"product_id":"001-139","title":"001-139","description":"Ensure the safety and efficiency of your HVAC system with this high-quality auto-reset limit switch. Designed as a critical safety component for furnaces and air handlers, this high-limit control switch monitors internal temperatures to prevent overheating. It features a fan disc design that automatically interrupts the electrical circuit if the temperature exceeds a safe threshold, then restores power once the system cools to a safe level. Ideal for repairing short-cycling heating units or systems that fail to stay on, this switch provides reliable thermal protection for electric heat kits and residential heating equipment. Its robust construction ensures long-lasting performance, helping to maintain optimal airflow and prevent component damage in your heating system.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: Standard Fan Disc\u003cbr\u003e\nApplication: Used in residential furnaces, electric heat kits, and air handlers to monitor and control internal operating temperatures.\u003cbr\u003e\nSpecifications: Temperature Rating: Opens at 140°F, Closes at 100°F (40°F Differential); Reset Type: Automatic; Configuration: Fan Disc Thermostat","brand":"BCFurnace","offers":[{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L140-40F \/ 001-139","offer_id":50215957299485,"sku":null,"price":52.5,"currency_code":"CAD","in_stock":true},{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L140-40F \/ 18H01","offer_id":50215957332253,"sku":null,"price":52.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/3416f1e72f924533b7047e88a29b1c29.webp?v=1773961572","url":"https:\/\/bcfurnace.myshopify.com\/products\/001-139","provider":"BCFurnace","version":"1.0","type":"link"}