Trane SWT1611 Auto Limit Switch 3 Inch Insert 140°F-170°F

Trane SWT1611 is an automatic limit switch with a 3-inch insert and a temperature range of 140°F to 170°F, designed to protect HVAC systems from overheating. The switch operates by opening or closing the electrical circuit in response to temperature changes, automatically resetting once normal conditions are restored. It is commonly used in Trane furnaces, air handlers, rooftop units, and heating equipment. Key benefits include reliable overheat protection, automatic reset capability, enhanced system safety, prevention of component damage, consistent temperature control, and long-term durability in demanding HVAC applications.