The Trane SWT03967 (0345238P03) is a flame rollout limit switch/thermostat that protects HVAC systems from fire hazards due to flame rollout conditions. It is factory-set to open at 190F and features a manual reset mechanism, ensuring technicians verify and correct the issue before restarting the unit. This safety component is vital for maintaining reliable and secure furnace operation. Key Features Manual reset prevents automatic restart after a flame rollout event L190F temperature rating ? opens at 190F Reliable safety protection for furnaces and heating units SPST (Single Pole, Single Throw) configuration High-quality OEM replacement for Trane systems Specifications Part Numbers: SWT03967, 0345238P03 Type: Flame Rollout Limit Switch/Thermostat Reset Type: Manual Temperature Rating: L190F Switch Type: SPST, Normally Closed Function: Safety shutdown in case of flame rollout Mounting: Standard bracket Compatible Models S9V2B080D3PSBBA S9V2C100U4PSBAA S9X2D120D5PSBAB S9V2C080U5PSAAA S9V2C100U5PSBBC S9X1B060D3PSBAA S9X2C100U5PSBAA S9V2C100D4VSABC S9V2D120D5PSBBA S9X2B080D4PSBAB Why Choose This Item The Trane SWT03967 Flame Rollout Switch is a critical safety component designed to protect your furnace and ensure safe operation. Its manual reset feature promotes professional inspection after hazardous events, and the OEM-grade reliability ensures long-term, consistent performance. Ideal for technicians and facility managers who prioritize safety, compliance, and OEM standards.