Description
The Trane SWT2173 (also listed as a rollout switch) is a genuine OEM flame rollout/thermal safety switch designed to protect your Trane furnace or HVAC system from dangerous overheating and flame rollout conditions. When excessive heat is detected around the burner area, this safety switch interrupts the control circuit to shut down the system, helping prevent equipment damage and improving operational safety.
Key Features
- Type: Flame rollout / thermal limit switch
- Temperature Rating: L310°F (activates at ~310 °F to protect against unsafe heat)
- Reset Style: Manual reset — safety requires technician inspection before restart
- Function: Detects overheating/flame rollout near burner assembly and opens circuit to safely shut down system
- Application: Furnace safety control in residential and light commercial HVAC systems
