Trane SWT1935 High Limit Switch F Open F Close - 120 90

The Trane SWT1935 is a high limit safety switch designed for HVAC systems to prevent overheating. This automatic limit switch features a 7-inch capillary tube insertion length for accurate temperature sensing in ductwork or equipment cabinets.

Key Specifications:

• Opens at 120°F to cut power and prevent overheating
• Closes at 90°F to restore normal operation
• 7-inch capillary insertion length for flexible placement
• Automatic reset functionality for hands-free operation
• Direct replacement for Trane furnaces and air handlers

This limit switch is a critical safety component that protects heating equipment from damage caused by excessive temperatures. The automatic reset design means the system will resume operation once temperatures return to safe levels, eliminating the need for manual intervention.