{"product_id":"000-163","title":"000-163","description":"The Lennox L140-40F High Limit Switch is a vital safety component designed for HVAC systems and forced-air furnaces. This SPDT (Single Pole Double Throw) fan disc control switch acts as a thermal safeguard, monitoring internal temperatures to prevent equipment overheating. When the system reaches its 140°F limit, the switch automatically interrupts the heating circuit to protect the appliance from damage. With its convenient auto-reset feature, the switch restores operation once the temperature cools by its 40°F differential. This high-quality replacement part is essential for maintaining the safe and efficient operation of residential and commercial heating units, ensuring reliable climate control and long-term durability of your HVAC equipment.\u003cbr\u003e\nType: High Limit Control Switch\u003cbr\u003e\nSize: Standard 3\/4 inch disc\u003cbr\u003e\nApplication: Used as a safety limit or fan control in forced-air furnaces, rooftop HVAC units, and commercial heating systems to provide thermal protection and circuit management.\u003cbr\u003e\nSpecifications: Switch Type: SPDT (Single Pole Double Throw); Reset Type: Automatic; Open Temperature: 140°F; Close Temperature: 100°F (40°F Differential); Mounting: Surface mount fan disc.","brand":"BCFurnace","offers":[{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L140-40F, SPDT \/ 000-163","offer_id":50215763902749,"sku":null,"price":68.33,"currency_code":"CAD","in_stock":true},{"title":"LENNOX LIMIT SWITCH, AUTO RESET, L140-40F, SPDT \/ 98G46","offer_id":50215763935517,"sku":null,"price":68.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/787be358edc34fa88fda5b2a8d6faa99.webp?v=1773960528","url":"https:\/\/bcfurnace.myshopify.com\/products\/000-163","provider":"BCFurnace","version":"1.0","type":"link"}