Trane THT0480 SPST Limit Switch Thermostat 140°F Open 115°F Close

The Trane THT0480 is a genuine OEM single pole single throw (SPST) limit switch thermostat designed for use in commercial and residential HVAC equipment. This temperature-activated safety control provides reliable overheat protection for furnaces, air handlers, and other heating equipment.

Key Features:

• SPST (Single Pole Single Throw) switching configuration for simple on/off control
• Opens at 140°F to interrupt circuit during overheat conditions
• Automatically resets and closes at 115°F when temperature drops to safe operating range
• Genuine Trane OEM replacement part ensures proper fit and reliable performance
• Designed for integration into furnace limit circuits and safety controls
• Durable construction for long service life in demanding HVAC applications

This limit switch thermostat is commonly used as a high-temperature safety control that opens the electrical circuit when equipment temperatures exceed safe operating limits, then automatically resets when the system cools down. Essential for maintaining safe operation and protecting HVAC equipment from damage due to overheating.